330-PS-2792 (USN 708625).   Preflight Engine Check.  Selected to fly their fellow AP’s to another Naval Air Station were Air Controlman First Class Walter E. Coupe and Aviation Electronicsman First Class Rivenburg.  The two first class petty officers with their passengers are all enlisted flyers attached to Naval Air Station, Anacostia, Washington, D.C.  Before takeoff to their destination, the pilots of this small transport plane check their engines for perfect performance before attempting to get airborne.  Photograph released June 20, 1952.  (5/19/2015).
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/17286656163/">330-PS-2792 (USN 708625)</a>