A new B-17F Flying Fortress bomber warms up its engines at Boeing factory in Seattle as it prepares for a flight test. (Library of Congress Photograph.)
B-17F Flying Fortress (Library of Congress Photograph.)

B-17 Engine Warmup

A new B-17F Flying Fortress bomber warms up its engines at Boeing’s factory in Seattle as it prepares for a flight test. (Library of Congress Photograph.)

A new B-17F Flying Fortress bomber warms up its engines at Boeing factory in Seattle as it prepares for a flight test. (Library of Congress Photograph.)
B-17F Flying Fortress (Library of Congress Photograph.)

About the author

Lone_Sentry_Admin

View all posts