Four U.S. Army Air Forces Beechcraft UC-43 <i>Traveler</i> aircraft, in early 1943 (the nearest plane is s/n 43-10828). The photo was probably taken on delivery, as seven U.S. Navy GB-2 versions are visible in the background.
USAF
1943
<a rel="nofollow" class="external text" href="https://www.nationalmuseum.af.mil/Upcoming/Photos/igphoto/2000547793/">National Museum of the U.S. Air Force</a> photo <a rel="nofollow" class="external text" href="https://media.defense.gov/2006/Jul/24/2000547793/-1/-1/0/060519-F-1234P-006.JPG">060519-F-1234P-006</a>