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The 90 mm gun was the US Army's primary heavy anti-aircraft gun from just prior to the opening of World War II into 1946, complemented by small numbers of the much larger 120 mm M1 gun. Both were widely deployed in the United States postwar as the Cold War presented a perceived threat from Soviet bombers.
The 184th left Rennes on 4 September 1944 and travelled to Paris, where they arrived on 6 September. They took up positions southeast of the French capital. Battery B was set up in an old French fort, while the other batteries occupied various former German anti-aircraft sites. [16]
Their larger 90 mm M2 gun would prove, as did the eighty-eight, to make an excellent anti-tank gun as well, and was widely used late in the war in this role. Also, available to the Americans at the start of the war was the 120 mm M1 gun stratosphere gun, which was the most powerful AA gun with an impressive 60,000 ft (~18 km) altitude ...
In 1944, the US Army contracted [7] for an electronic "computer with guns, a tracking radar, plotting boards and communications equipment" (M33C & M33D models used different subassemblies for 90 & 120 mm gun/ammunition ballistics.) [3] The "trial model predecessor" (T-33) was used as late as 1953, [8] and the production M33 (each $383,000 in 1954 dollars) [9] had been deployed in 1950. [10]
View of 90 mm anti-aircraft gun emplacement, Okinawa, 1945. The regiments were broken up into battalions in 1943–44, in line with an Army-wide policy for all units except infantry, and a number of former Coast Artillery units were converted into heavy field artillery units. [ 42 ]
The 2nd 90mm Antiaircraft Artillery Gun Battalion was a United States Marine Corps antiaircraft unit that was active during the 1940s & 1950s. Originally formed during World War II as the 9th Defense Battalion , the battalion took part in combat operations on Guadalcanal , Rendova , Munda Point , and Guam .
A US 90 mm anti-aircraft gun and crew during a demonstration at Bell Laboratories in 1943. The M9 gun director can be seen in the center background of the photo. The M9 gun director was an electronic director developed by Bell Labs during World War II .
The convoy arrived on Guadalcanal on March 12. Prior to departing the island, a composite antiaircraft battery from the 14th was assembled as part of a small Marine task force to support the United States Army during its assault on the St Matthias Islands. The battery landed on the southeast corner of Emirau in support of the 4th Marine ...