When the hatches were closed, the gunner aimed his weapon using a periscope in his hatch.When the hatches were open, he used a US Navy Mk IX reflector gunsight.

• 当舱盖关闭时，炮手用他舱盖上的潜望镜来瞄准他的武器.；舱盖打开时，他使用美国海军的马克九型反射式瞄准镜