This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
== Summary == {{Information |Description= [[U.S. Air Force]] cap devices |Source= Derived from a [[U.S. Army]] publication at https://armypubs.army.mil/epubs/DR_pubs/DR_a/pdf/web/ARN6028_DAPam670-1_Web_FINAL.pdf (PDF page 153, document page 137) |Date= 3 August 2019 |Author= U.S. Army |Permission= {{PD-USGov-Military-Army}} |other_versions= [[File:Nathan Twining 02.jpg|100px]] [[File:USAF Service Cap.jpg|100px]] }}
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