U.S. Navy and U.S. Marine Corps Parachutist Insignia
U.S. Marine Corps
U.S. Marine Corps Uniform Regulation, MCO 1020.34H v2, page 1-84 at <a rel="nofollow" class="external free" href="https://www.marines.mil/Portals/59/Publications/MCO%201020.34H%20v2.pdf?ver=2018-06-26-094038-137">https://www.marines.mil/Portals/59/Publications/MCO%201020.34H%20v2.pdf?ver=2018-06-26-094038-137</a>