"To the Deputy People's Commissar of Defense, Lieutenant General of the Tank Forces, comrade Fedorenko
August 18th, 1942
I report that, according to documents, the German army possesses 7.5 cm mod. 1940 anti-tank guns.
The gun fires regular 7.5 cm mod. 1939 armour piercing rounds, 7.5 cm mod. 1938 HEAT rounds, special 7.5 cm mod. 1940 armour piercing rounds (with a hardened core), and 7.5 cm mod. 1934 HE rounds.
The effect of the armour piercing rounds is as follows:Against the T-34 tank:
The mod. 1939 shell penetrates the front from up to 500 meters, the rear from up to 1000 meters, the upper side from 1200 meter.
Against the KV (with 7.62 cm gun):
The mod. 1939 shell penetrates the turret armour (75 mm), turret platform, and hull from up to 1000 meters.
The mod. 1938 shell penetrates the aforementioned armour at all effective ranges.
Against the KV with applique armour:
The mod. 1939 shell penetrates the turret armour (100 mm) from up to 100 meters, the turret platform from up to 300 meters.
The mod. 1940 shell penetrates the front armour (90 mm) from up to 200 meters and the lower from plate from up to 400 meters.
Chief of the 2nd Directorate of the Main Intelligence Directorate of the General Staff, Colonel Ratov
Military Commissar of the 2nd Directorate of the Main Intelligence Directorate of the General Staff, Brigade Commissar Kiselev
Chief of the 1st Department of the GRU 2nd Directorate, Khlopov"