Circa 1967. Eakers key point was the value of keeping the Germans under attack both day and night. Home Classifieds eFLYER Events Fraud Testimonials Post Ad Search Ads Help My Hangar Sorry, this ad is not presently available. No size observed but fits slightly like a 7 1/8. Mike Sabrejet DECEASED MEMBER IN MEMORIAM 29,922 Location: Wales, U.K. #2 39 results for bombsight norden Save this search Shipping to: 23917 Shop on eBay Brand New $20.00 or Best Offer Sponsored Category Military Original Period Items (1946-1949) Original WW II US Field Gear & Equipment Aircraft Models & Kits RARE VINTAGE WWII AIRPLANE BOMBER NORDEN CP-17/APA-46 BOMBSIGHT RADAR B-25 B-25 Pre-Owned $349.99 If the speed calculated for the airplane was off by two mph and the altitude wrong by 25 feet, that made a difference of 115 feet in where the bomb would land. Bombsights were devices that combined tools that the bombardier needed to hit their targets successfully. New, never used U.S. Navy shipboard IR (infrared) 300W signaling beacon. With fighter escorts and suppression of enemy air defenses, the aircrew loss rate declined in 1944 and 1945. Electro-Optics Lab. Despite the advent of nuclear weapons, the quest for precision delivery of bombs continued. The khaki cover has soiling to the top and the plastic liner h, WWII Era Air Transport Command ATC Peaked Visor Cap and photo. Bomb Sight, Course Setting, Mk IXA British RAF 1940, "Wimperis" . However, the Tactical School theorists did not bother with such pretense. An increasing number of owners and operators are looking to NORDEN Tanker Pool for commercial management. Find the best new and used aircraft for sale such as business jets, helicopters, Experimental, Warbirds and more. A B-17 encounters flak on a raid over Ludwigshafen in 1944. The enigma of the Norden Bombsight - Maxwell Air Force Base Japanese industry, including cottage industries making military parts and equipment, was so integrated with populated areas that it was difficult to draw the line between them. 1.875" nominal, 0.937"H x 1.125"W. NSN: 5815-00-600-2911. Firebombing Air Raids on Cities at Night - JSTOR Tele-Typewriter sub-assembly for Tele-Typewriter set Model 37ASR/RFI. NORDEN reports strong start to 2023 with a net result of USD 150 million. Maj. Thomas W. Ferebee, bombardier on the B-29 Enola Gay, picked up the aiming point in Hiroshima, the Aioi Bridge, 12 miles out. Aircraft computer test set is apparently designed to check many systems on shipboard aircraft. IMA works diligently to be aware of these ever changing laws and obeys them accordingly. - Vintage Original WWII German MG34 Parts, Including Top Cover and Trigger Assembly, Includes USAAF 9th, 82 Airborne Division, 2nd Marine Division, 4th Army, Emf-Pac, 2 CBI theatre, and Army Air Force Far East patches, patches are attached/glued to scrapbook paper, Native American SW Indian Jewelry Collection, A Miscellaneous Collection of NASA Space Shuttle, WWII USAAF Army Air Force 390th Bomb Group, 8th AAF Combat Photo Album, WWII USAAF Army Air Force Brigadier General Pilot Uniform Silver Star, WWII USAAF Major General Dog Tags Photo Group, WWII USAAF Type B-7 Flying Goggles With Green Lenses, WWII USAAF General Yount Sterling Stars, Patch, Pins, WWII USAAF Sterling Silver Pilot Wings Bracelet 7.5", WWII Australian Made FEAF 5th AAF Ike Jacket, WWII US Army Air Force AAF Pilot Uniform Jacket British Made Bullion Blue Wings, WWII Bendix USAAF Army Air Force Leather A-2 Flight Jacket Size 40, WWII Named USAAF Khaki Crusher Visor Cap Hat, WWII Era USAAF Army Air Force ATC Air Transport Command Visor Cap & Portrait Photo, WWII Famous RCAF & USAAF Gunner Ribbon Bar, WWII Australian Made Crusher USAAF Visor Cap Hat, WWII Army Type A-11 USAAF Army Air Force Pilots Watch by Elgin 1945, Original WWII German Prop MG34 Components, WWII Japanese Navy Sword {Kai Gunto} Blade is not, WWII USAAF 8th AAF Bullion Officer's Uniform - Named. We are not implying this is a complete system. Our responsibility strategy One Sustainable NORDEN is integral to our business strategy and supports the companys purpose of enabling smarter global trade. After each completed mission, bomber crews left the aircraft with a bag which they deposited in a safe (the Bomb Vault). This was purchased as part of an estate, we do not claim to be the experts on the items we sell; merely the purveyors. Appears used. Several things had changed. Our primary emphasis is on the U.S. Air Force, the U.S. Space Force, predecessor organizations, and the individuals whose lives and dreams have been and continue to be devoted to flight and space operations. Made by Federal Telegraph for WWII and delivered March 31, 1942, right in the thick of it. Their skills could be even more crucial in a conflict against a near-peer adversary. "NORDEN offered an opportunity where I could make good use of both my engineering skills as well as working with data to generate value for the business. When Eighth Air Force was set up in England in 1942, its methods were at odds with those of the Royal Air Force. The maker of this visor is Brownies Military Equipment. In case the bomber plane should make an emergency landing on enemy territory, the bombardier would have to shoot the important parts of the Norden with a gun to disable it. Come Dampskibsselskabet NORDEN A/S The rate is the lowest since 1996. Btiment Arc-en-ciel apt 4-8, Rue du Canal, zone 4, c/o Interorient Navigation Company Ltd., 142, Franklin Roosevelt, P O Box 51310, Praia de Botafogo 228, salas 513/514, CEP 22250-040, Alonso de Crdova 4125, Oficina 701, Vitacura, Office Tower, Unit 2504, Golden Bund Financial Center 222, Yanan Road East, Suntec City Tower Five #15-05, 5 Temasek Boulevard, Pacific Century Place #1303, 1-11-1 Marunouchi, Chiyoda-ku, 100-6213. The jet stream pushed the bombers over the target too fast for the Norden bombsight to compensate. I suspect they never were adopted as standard equipment. Infrared ship beacon, Depthometer, Spark Gap Motor, Radar Equipment, Norden Bombsight, we have it all! Hansell stuck doggedly to daylight precision bombing, although repeated efforts against such targets as the Nakajima-Musashino aircraft plant near Tokyo were unsuccessful. The Eighth Air Force, under General Ira Eaker at first, later under General Jimmy Doolittle, resorted to ever larger bomber formations that would drop their loads simultaneously Where the bomb hit was a function of the direction and speed of the airplane at the moment of release, the aerodynamics of the projectile, and the wind and atmospheric conditions while the bomb was in flight. History of The Norden Bombsight and How It Works - Aero Corner He could not mount large bomber operations because his aircraft and aircrews were diverted to operations in North Africa and the creation of Fifteenth Air Force in Italy in 1943. It was called the single most complicated mechanical device ever manufactured. The bombsight consisted of two primary parts, the gyroscopic stabilization platform on the left side, and the mechanical calculator and sighting head on the right side. Good condition with a few moth nips to the cover. From the famous Harry Block Aviation Collection. 1 (AWPD-1) was straight out of the Maxwell playbook. I found a dealer in a local antique mall who has one, but if I invested in it, I don't want to overpay. Sold as-is. Yes, that means vacuum tubes. This story is a selection from the April/May issue of Air & Space magazine. Ever find a treasured artifact at AeroAntique but were discouraged by its price? As a side benefit, precision bombing would avoid civilian casualties and limit collateral damage. Lukas-Harold. Title 18, U.S. Code, Section 921(a)(16) defines antique firearms as all guns manufactured prior to 1899. RAF Lancasterssuch as this one on a bombing raid over Hamburgwere primarily used as nighttime bombers, but also excelled at daylight precision bombing. SAC continued to develop radar bombing techniques and used them effectively in its Arc Light missions in Vietnam. RAF Bomber Command continued its night area bombing. Includes prototype style handmade manual (original and marked. Norden Bombsight - WWII Memorabilia, Military Items at Houston Wing NORDEN reports net profit of USD 150 million and pays interim dividend shareholders, Together with Spar Shipping AS, NORDEN recently bunkered almost 1100 tonnes of biofuel at GoodFuels in Rotterdam. This was and still is a precision piece of machinery the likes of which was used in B-24s, B-29s, B-17s and even the famed Enola Gay that dropped the atomic bomb. 115v AC / 400 Hz input. It was supposedly while touring the firebombed area that Emperor Hirohito came to the conclusion that the war had to end as soon as possible. Apparently, one of the first iterations of a number of jammer projects initiated during the war. In 1940, Theodore H. Barth, president of Carl L. Norden Inc., said that we do not regard a 15-foot square as being a very difficult target to hit from an altitude of 30,000 feet, provided the bombardier was using that companys new M-4 bombsight connected to an autopilot. Head of Fuel Efficiency and Decarbonisation. In global trade, trust is everything. Clasp on top secures to chain, hook, pipe or what-have-you. In the Asia and the Pacific, Twentieth Air Force45.5 percent of whose sorties were daylight precision despite the emphasis on area bombing in the last months of the warput 31 percent of its bombs within 1,000 feet of the aim point, although the bombing altitudes were on average 4,500 feet lower than for Eighth Air Force. The Air Corps regarded the bomber as its principal weapon. WWII USAAF C-2 Pilots Pneumatic Raft with Bag. Aircraft for sale. This law exempts antique firearms from any form of gun control or special engineering. The bombsight, developed by Carl Norden, a Swiss engineer, was used by the U.S. Navy and Army Air Forces beginning in World War II until its retirement during the Vietnam War. Daylight precision bombing was conducted by various kinds of aircraft in World War II, but the real test of it was the long-range strategic bombing missions in Europe and Asia of AAF B-17s, B-24s, and B-29s. WWII US Army Officers Cap made by Jones Brothers in Surrey Hills, Sydney, Australia. Please email us with the name of the artifact at Curator@AeroAntique.com. Adult Jackson Laryngoscope. Industries that had supported the war were in shambles. For questions or accessibility help - please call (908) 903-1200, Original Item: Only One Available. Powered by Shopify. Fair condition with damage and pulls to the cuffs and waistband and wear to the leather and internal l, WWII Flighter by Bancroft Khaki crusher with the name Lazemo written on the inner visor. Nobody knows for sure where the pickle barrel imagery began. This will ship, securely packed, to you in the condition photographed. Air Force flight testing for the T-7A Red Hawk kicked off June 28, with a USAF pilot flying the advanced trainer from contractor Boeings St. Louis, Mo., facilities. By the time the United States entered the war, the Germans had copied Nordens synchronous-release, gyroscopically-stabilized design thanks to a spy at Nordens factory named Hermann Lang. He identified the best bombardiers, made them lead bombardiers for the formation, and had all of the aircraft drop their bombs when the lead bombardier did. Heater, cables and green canvas carry case included. Millions of people were occupied in repairing the damage and replacing the goods destroyed by bombing. bombsight norden for sale | eBay Category. Arnold and the AAF were under tremendous pressure to produce strategic results and help bring the war in the Pacific to an end. This site is protected by reCAPTCHA and the Google. New in the box. 42 watchers RARE VINTAGE WWII AIRCRAFT BOMBER NORDEN CP-17/APA-46 BOMBSIGHT RADAR B-24 B-25 Pre-Owned $149.99 rosaliwiesendange-0_2 (468) 100% Buy It Now +$15.00 shipping WW2 US Army Air Corps Norden Bombsight wood crate shipping box storage estate Pre-Owned $1,699.99 william_kramer (2,846) 100% Buy It Now Free shipping Eighth Air Force in Great Britain put 31.8 percent of its bombs within 1,000 feet of the aim point from an average altitude of 21,000 feet. The Navy's Bureau of Ordnance (BuOrd) had the responsibility for developing Navy bombsights. A bomb does not fall in a straight line from a moving plane. NSWC Dahlgren Division Blog - Norden Bombsight - Naval Sea Systems Command Privacy Statement APS-20C Modulator. In 1. The leather sweatband is lo, To say this Airman's career was unique, would be an understatement. The possibility loomed that an invasion of the Japanese home islands would be necessary. This artifact resides in our Private Collection, yet we welcome inquiries from restorers, museums, or serious enthusiasts. DECLINE AND FALL OF A 'TOP SECRET'; Norden Bombsight Sold as Surplus Acting on his own initiative, LeMay ordered a massive low-level night mission against Tokyo with incendiary bombs March 9. Not complete. The Norden bombsight, one of the United States' most secret weapons during World War II, is now being sold by a mailorder house for $24.50. Standard: 4.2m. WWII Jammer Transceiver / Receiver from 1944! He liked the Navy better than the Air Corps, which he considered too flamboyant. The U.S. Navy's prayers were answered when a group of engineers led by Carl Norden developed a bombsight that he famously claimed: "Could put a bomb in a pickle barrel from 20,000 feet." The U.S. Army Air Corps soon followed the Navy's lead and the two forces combined to fund the development and production of the Norden bombsight. However, he said, When our Eighth Air Force had but 200 bombers operating out of England in 1943, there were more than a million Germans standing at the anti-aircraft and fighter defenses on the West Wall to defend against them. Notice the transparent compass overlay. There is no size marked but it fits like a 7 1/8 - 7 1/4. Beautiful 8th AAF, 390th Bomb Group photo album from WWII detailing training to England, to actual combat mission photos from over Europe in B-17s. Naturally, these are New In the Box. T-7 Makes Its First Official Test Flight with an Air Force Pilot, Air Force Risks Sub-Optimizing Fighter EnginesAgain, Large-Scale Tanker Flyovers Celebrate 100th Anniversary of First Air Refueling. thin creating a situation for damage to occur unless the most extreme measures are taken in handling WWII U.S. Navy Norden Bomb Sight Pre-Owned $3,999.99 Top Rated Plus or Best Offer bid_on_this (55,063) 99.9% Free shipping Free returns 15 watchers Sponsored WWII NORDEN BOMBSIGHT w/ Wood Case Box M-9-B Excellent Overhauled 1953 Brand New $7,500.00 cur8or (818) 100% Buy It Now +$80.00 shipping Benefits charity 34 watchers Sponsored If their aircraft were fatally hit, bombardiers were under orders to destroy the secret machine rather than allow it to be captured. WW2 US Army Navy mark I Air Force Corp Bomber M7 Norden Bombsight with However, it is ultimately the responsibility of the buyer to be in compliance of laws that govern their specific location. The strike force found landfall by radar and bombed with intervalometers set to space the bombs 50 feet apart. Air Chief Marshal Arthur T. Harris, chief of Bomber Command, was the foremost advocate of city busting, the night area bombing campaign that targeted the German population centers and workforce. add to list Tags Free 3D file Norden Table Tops3D printer design . Churchill wanted the Americans to join the British bombing program rather than instigate a different one of their own. XV, known as the Norden M series in Army service, was a bombsight used by the United States Army Air Forces (USAAF) and the United States Navy during World War II, and the United States Air Force in the Korean and the Vietnam Wars. A-1 condition, looks new. NSN: 6320-01-287-0093. Initially developed by Carl Norden for the U.S. Navy, the Army Air Corps acquired its first Norden bombsight in 1932. It dug a crater just two feet deep and nine feet wide. The British, finding that they could not hit precision targets, relied on area bombing at night. Not least of all, our FFA strategy. Standard Elektrick Lorenz. The U.S. military spent $1.1 billion in 1940s dollars to build 90,000 Nordens, each one a 50-pound analog computer comprising 2,000 intricately joined parts including gyros, motors, gears, mirrors . U.S. Navy Communications Vintage Modular Typing Unit. Norden, born in Semarang, Java, to Dutch parents, studied mechanical engineering at the Federal Polytechnic Institute in Zurich . Some Air Force bombardiers spoke proudly of tossing bombs into a 100-foot circle from four miles up. During an exercise dubbed Noble Defender, B-1 Lancers that were leaving Europe after a month-long Bomber Task Force deployment were successively tracked and. Brass terminal end, 0.68" outside diameter, 0.34" inside diameter, partial thread x 0.44"W. NOS. Mr. Norden believed the device would lower the suffering and death toll from war by allowing pinpoint accuracy during bombing runs. The 250,000 aircrew members who flew bomber missions in Eighth Air Force in World War II sustained 58,000 casualties18,000 killed, 6,500 wounded, and 33,500 missing. Production of a slightly modified version was also undertaken in the United States as the Sperry T-1, which was interchangeable with the UK-built version . Norden M-9 Bombsight. Air Speed & Altitude Unit for Mark 18 Gun Sight Assembly. Doolittle "Mark Twain" Bombsight - San Diego Air & Space Museum Date coded 1/84. Aluminum. New in the original box!! Shipboard "Control Indicator" is designed to check many radar systems on the ship. Bombing accuracy was terrible. Bombing Equipment - AeroAntique 2114, ORD. That was stretching it considerably. Mil-spec surplus - Navy. ), Some commanders were said to have required a bombardiers oath from their young men. All. John Woolseys aunt, Frances Vaughn Parker, was a Civil Air Patrol Cadet during WWII and a lifelong pilot, CAP member and WWII memorabilia collector. Made by Fairchild. You might expect to pay more for the meter alone than our asking price for the whole instrument. These, Stylus Assembly for Data Recorder (Sonar). APS-20 Parabolic Dish. The Office of Scientific Research and Development had developed the highly effective M-69 incendiary bomb, to which the Japanese style of construction was starkly vulnerable. Dubbed the "Mark Twain" bombsight, a name of ambigous origins, the handcrafted site only cost 20 cents, as opposed to the Norden which costed more than $10,000 each. Our Geiger tubes were produced in the 1950s we believe and are very delicate. Daylight precision bombing became Air Force doctrine, inseparable from the push to obtain four-engine B-17 bombers in appreciable numbers. The limited yield of the bombs added to the problem. Original WWII U.S. Army Air Force Norden Bomb Sight with Stabilizer DC: 6/88. No original box or tags. Maj. Gen. Jimmy Doolittle replaced him as commander of Eighth Air Force. The size is 7. He preferred the Navy as a customer, even though the Navy moved away from high-altitude horizontal bombing in the 1930s and took the bombsights out of most of its airplanes in the 1940s. Box 107 400 Gary St. Leonore, IL 61332 815-856-2272 [email protected] However, postwar occupation authorities found that both the German and Japanese economies and their national infrastructures had been devastated to the point that they barely functioned. German / NATO. LeMay and Arnold believed that the incendiary bombing would eventually bring on a Japanese surrender. John T. Correll was editor in chief of Air Force Magazine for 18 years and is now a contributing editor. Original WWII US Army Air Forces flying goggles with the rare green lenses in nearly unused condition. Some tubes were removed by previous owner thus units not operational. The sighting eyepiece was located in the middle, between the two, in a less than convenient location that required some dexterity to use. The Luftwaffe and ground defenses took a heavy toll on bombers if they ventured without fighter escort deep into hostile territory. Very heavy, approx. Such high ratios of ordnance expended to results achieved were not unusual in war, nor were they unique to AAF bombers in World War II. Three wings of bombers would attack from the altitudes of 4,000 to 9,200 feet. Carl L. Norden, Inc. manufactured these sights which were used from WW2 all the way up until Vietnam. Every musket, rifle, display machine gun, machine gun parts set or gun sold by IMA, Inc is engineered to be inoperable according to guidelines provided by the US Bureau of Alcohol, Tobacco, Firearms and Explosives (BATF). The bombsight, developed by Carl Norden, a Swiss engineer, was used by the U.S. Navy and Army Air Forces beginning in World War II until its retirement during the Vietnam War. The Japanese regarded surrender as dishonorable and fought to the last in battle after battle. And at NORDEN, its the people that drive our business and direct our innovation. Over Japan, the B-29s encountered the jet stream, fierce winds above 25,000 feet that added as much as 250 mph to an aircrafts speed relative to the ground. Only one available. Painted reflective surface. XXI Bomber Command was established there, with Hansell, the AWPD-1 planner, now a brigadier general and the most fervent of the daylight precision bombing advocates, in command. The Norden Bombsight: Was it Truly Accurate Beyond Belief? The Army fired 10,000 rounds of small-arms ammunition for each enemy soldier wounded and 50,000 rounds for each enemy killed. The weather permitted only four days a month of visual bombing. NO. Norden M-9 Bombsight - National Museum of the USAF Vintage teletype Model 40 dataset cable. The average circular error in 1943 was 1,200 feet, meaning that only 16 percent of the bombs fell within 1,000 feet of the aiming point. Used in Generator MEP-026A. Naval surplus. Finally, there were enough bombers to put together large formations. Requires a CRT with 8 pin octal base (not included). The Air Forces study into possible cancer risks associated with work on intercontinental ballistic missiles will be a comprehensive reviewand will not favor the service over evidence, medical officials leading the effort insisted. We leverage the intelligence we have gathered, acquired and developed to deliver solutions that are tailored to the realities of the marketplace - delivering results our customers and investors can rely on. In everyday practice in 1940, the average score for an Air Corps bombardier was a circular error of 400 feet, and that was from the relatively forgiving altitude of 15,000 feet instead of 30,000. The aircraft were stripped of excess weight, including most of the guns. Preserving Warbird Historyone artifact at a time. Label says "TRAIN LIGHT". No box or tags. Without a large corrective investment, the Air Forces aged fighter force will collapse soon due to its small size, lack of training in high-end warfare, low availability, and chronic shortage of pilots and maintainers, according to a new report from the Air & Space Forces Associations Mitchell Institute. This is an authentic WWII-era M9B Norden Bombsight Sight Head as used in bomber aircraft of the US Army Air Force and US Navy, such as the B-17, B-24, and B-29. - Vintage Original WWII Prop MG34 Trigger Assembly with Lower Receiver, Top Covers, Bolt Spring, Original WWII German Prop MG34 Components - Offered Without Reserve - There is NO ESTIMATE on this item. All of the B-29s were assigned to Twentieth Air Force, with Arnold retaining command personally as the agent of the Joint Chiefs of Staff. Here, Brig. Up for sale today is an original WW2 Norden Bombsight. In 1941, the AAF plan to implement Rainbow 5, the basic Army-Navy war plan, was drafted by four officers who had been daylight precision ringleaders at the Tactical School: Lt. Col. Harold L. George, Lt. Col. Kenneth N. Walker, Maj. Haywood S. Hansell Jr., and Maj. Laurence S. Kuter. 2022 Houston Wing Commemorative Air Force, Inc. The U.S. military spent $1.1 billion in 1940s dollars to build 90,000 Nordens, each one a 50-pound analog computer comprising 2,000 intricately joined parts including gyros, motors, gears, mirrors, and levers. counter. AWPD-1 forecast a need for 251 combat groups to carry out the plan. German / NATO. Nazi Armaments Minister Albert Speer said that the bombing created a third front and that without this great drain on our manpower, logistics, and weapons, we might well have knocked Russia out of the war before your invasion of France.. Field phone. Gen. Ira Eaker speaks with members of the media after the first World War II heavy bomber mission over Europe. Extremely Scarce WW2 USAAF Crash Rescue Boat Badge. LeMay continued to order precision attacks and to use high explosive bombs when targets and weather were suitable, but the emphasis had shifted to incendiary bombing at night. Antique SCR-720 "Night-Fighting" Radar BC-1150-B Control Box. Meanwhile, the clamor was building in Washington to switch to incendiary area bombing. googletag.display('div-gpt-ad-asf_inarticle_infinite_mobile-7'); As the loss rate spiked to eight percent in early 1943, crews calculated their chances of surviving a 25-mission combat tour. The US was no longer as reluctant as it once had been to bomb enemy cities. Gun magazine laws, concealed weapons laws, laws governing new made display guns, airsoft guns, blank fire guns, and other items vary greatly by nation, state and locality. The most famous example from the Second World War was the Norden bombsight, designed by Carl Norden in 1931 and sold to the US Navy and the US Army Air Corps.. The Norden was a bombsight used by the United States Army Air Forces (USAAF) and the United States Navy during World War II, and the United States Air Forcein the Korean and the Vietnam Wars. This is a Norden Mark 15 Model 7 and is number N5308. Does not appear to have been used based on the condition of the mounting holes. Norden Bombsight | Air & Space Magazine| Smithsonian Magazine battery assumed to not be in working order. IMA considers all antique guns offered on our website as non-firing, inoperable and/or inert. They were largely separate instruments, connecting through the sighting prism. Everything for sale on ima-usa.com is completely legal to own, trade, transport and sell within the United States of America. Norden Bombsight that was made for the Navy in August of 1944 by Carl L. Norden Inc. and which is now on display in our museum. All Norden crosshairs were made from hair donated by Mary Babnik Brown whose 34 inch blonde hair had never been chemically treated or heated with curling irons thus making it resilient enough to use as crosshairs and withstand the massive shifts in temperature and humidity. The glass is inheriently The Czech Republic joins nine other countries in Europe. "wappen norden" 3D Models to Print - yeggi Air War Plans Division Plan No. They saw strategic bombardment as the future of warfare. Twenty years ago, when it was used during the. virtually unlimited life, if care is taken, you should have no problem constructing your own geiger The bombing altitude was 31,000 feet and the explosion was 1,500 feet from the aiming point, the Mitsubishi Steel and Arms Works. Includes CG-718/U Type No., CY-1343/TRC Type No., J-532/U Type No., SA-331/U Type No., ME-82/U Type No. While showing great promise in daylight testing, in combat, it failed to produce notably better results than similar devices fielded by other air forces.