The FM-2 Wildcat ended up being produced and prototyped by Grumman Aircraft. Significantly more than 4000 had been built by the Eastern Aircraft Division about the General Motors company between 1943 - 1945. These aircraft included a lighter airframe and a far more effective motor. This suggested there was clearly clearly a physical design difference between the F4F whilst the FM-2. The FM-2 had a taller right end for security to counter the increased torque connected with engine. Armament contained 4 - .50 cal. tools, 2 - outside bomb or gas racks and environment to ground rocket launch points on wings. These aircraft was indeed mainly operated from escort providers to steer ground operations in the Pacific cinema of operations. These identical aircraft was at reality teamed with Grumman Avengers and found in anti-sub operations inside Atlantic against U-boats.