United States
Consolidated B-24 Heavy Bomber
B-24 Top Turret
Martin M-250CE Electric Top Turret
The Martin M-250CE Electric Top Turret, above photo.
M-250CE Top Turret bottom view, above left photo.
M-250CE control column grip assembly, above right photo.
M-250CE Top Turret Sight Bracket with
N-6A Gun Sight, left photo.

N-6A Gun Sight nomenclature decal,
above right photo.