B-17 Flying Fortress Ball Turret in Block 

Mechanics at Work on B-17 Flying Fortresss 

Mechanics at Work on B-17 Flying Fortresss 

B-17 Flying Fortress on Tarmac 

B-17 Flying Fortress on Tarmac 

B-17 Flying Fortress "New" Waist Gun 

Woman Installs New Gunner Radio Comptrolller 

B-17G Flying Fortress With British Insignia 

Ladies Decorate the Tail Section of Boeing Plant II's Last B-17 Flying Fortress 

Mechanics Assemble a B-17 Flying Fortress Nose Section 

Crowd Gathers Around Boeing Plant II's Last B-17 Flying Fortress 

Woman Installs New Gunner Radio Comptrolller 

Boeing-Developed Shutter Compass on B-17 Flying Fortress 

Two Right Engines of a B-17 Flying Fortress in Flight 

B-17 Flying Fortress on Tarmac 

B-17 Flying Fortress Night Firing of Guns, Light Trails of Ricocheting Bullets 

B-17 Flying Fortress Waist Gunners 

Boeing-Developed Shutter Compass 

Underside of B-17G Flying Fortress 

B-17 Flying Fortress on Runway 

B-17 Flying Fortress Engine Assembly 

B-17G Flying Fortress Waist Gun with British Insignia 

Woman Installs New Waist Guns on B-17 Flying Fortress 

Light Trails From B-17 Flying Fortress Gun Tests 

Workers Line Up Machine Guns on a B-17 Flying Fortress Chin Turret