Kansas City, Kansas. Employees working on a motor assembly of a B-25 bomber at North American Aviation, Inc.

Kansas City, Kansas. Employees working on a motor assembly of a B-25 bomber at North American Aviation, Inc.

Kansas City, Kansas. A B-25 bomber built by North American Aviation, Inc.

Kansas City, Kansas. A B-25 bomber built by North American Aviation, Inc.

Partial view of North American Aviation's B-25 final assembly line

Partial view of North American Aviation's B-25 final assembly line

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