The nose turret was upgraded with a second .303 (7.7 mm) gun.

A second gun was added to the nose turret.

Final production variant with nose turret and semi-retractable main landing gear, 61 built.

The nose turret whipped about swiftly and explosive shells rained down on all sides.

The T129 will feature a 20 mm gatling-style cannon in a nose turret.

The nose turret rotated in the opposite direction as it automatically kept the laser trained on the lead tank.

Later the nose turret was also removed to further improve performance.

The pilots were using the infrared scanner in the nose turret to scan the face of the dam.

The last B-18 of the run, designated DB-2 by the company, had a power-operated nose turret.

One of those guns was often fitted in a nose turret of the aircraft.