This is a file from the Wikimedia Commons and may be used by other projects. Information from its description page there is shown below. Commons is a freely licensed media file repository.
Summary
Description44-85828 - DI-H Boeing B-17G Flying Fortress (299P) "I`ll Be Around" (cn 8737) USAAF. (8215360373).jpg
Displayed as 42-31892 of 390th Bomb Group.
Pima Air & Space Museum, Tucson USA - Arizona, February 18 2007.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.