airacobra in Finnish aviation museum

The Bell P-39 Airacobra is designate by Robert J. Woods and Harland M. Poyer, the work begin in 1937. The Airacobra Hve a Allison V-1710-17 12 cilinders in V supercharger (1,1150 HP). The armament was two 0.50 machinguns and 37 MM. Oldsmobile canon in the nose. The Red army operated the 14A model and have a Allison V-170-63 engine with 1,325 HP. They uses over 400 Airacobras, basicly in ground attac rules (sory my english)

Have you more informations about this aircraft ? Especially the operations with Red Army