A Boeing B-17E Fortress modified experimentally in Great Britain to take a Bristol B-16 nose turret mounting a 40 m/m. cannon.
The Fortress IIA (FK185) which was used as a test-bed for the Bristol B.16 nose turret, mounting a 40-mm. Vickers "S" gun.

Самолёты на фотографии: Aircrafts on the photo: Boeing B-17E / B-17G Flying Fortress - СШАUSA - 1941

The Republic Thunderbolt I in R.A.F. service. The Thunderbolt was operational with many squadrons in the S.E. Asia area.

Самолёты на фотографии: Aircrafts on the photo: Republic P-47 Thunderbolt - СШАUSA - 1941

Built by Boeing in Canada, the Catalina VI was distinguished by the tall fin and rudder. This variant did not become operational.

Самолёты на фотографии: Aircrafts on the photo: Consolidated PBY Catalina - СШАUSA - 1935