"Our American-built planes have undergone the acid test of war and proved their superiority over the enemy. The Army Air Forces congratulate you can your part in that achievement!--... keep 'em flying

Courtesy of UC Berkeley, Bancroft Library

http://www.oac.cdlib.org/ark:/28722/bk0007t012b/?order=1

Title:

"Our American-built planes have undergone the acid test of war and proved their superiority over the enemy. The Army Air Forces congratulate you can your part in that achievement!--... keep 'em flying

Creator/Contributor:

Steinke (?), artist

Date:

[1943]

Contributing Institution:

UC Berkeley, Bancroft Library