Original U.S. WWII US Navy 20mm Oerlikon Anti-Aircraft Gun Sight U.S. Uniforms it rests in the bottom

it rests in the bottom of the cup

with a very crisp action and firm cylinder lockup

and returned to Midway 28 January 1944

they were sans grip insignia

giving the badge an overall dark look

Original U.S. WWII US Navy 20mm Oerlikon Anti-Aircraft Gun Sight U.S. Uniforms it rests in the bottomOriginal Item: Only One Available. This is an excellent condition US WWII Navy Oerlikon 20 mm 70 (0. 79") Mark I and Mark II cannon sight. The Oerlikon 20mm anti aircraft cannon was widely used by naval and air forces during World War II, by countries on both sides. Sight appears to be unissued and is in excellent condition. During World War Two the Oerlikon FF was installed as armament on some fighters of the 1930s, such as the Polish PZL P. 24G.