Related Rule
United States of America
Practice Relating to Rule 65. Perfidy
Section H. Simulation of protected status by using other internationally recognized emblems
The US Naval Handbook (1995) states: “Misuse of protective signs, signals and symbols … in order to injure, kill, or capture the enemy constitutes an act of perfidy.” 
United States, The Commander’s Handbook on the Law of Naval Operations, NWP 1-14M/MCWP 5-2.1/COMDTPUB P5800.7, issued by the Department of the Navy, Office of the Chief of Naval Operations and Headquarters, US Marine Corps, and Department of Transportation, US Coast Guard, October 1995 (formerly NWP 9 (Rev. A)/FMFM 1-10, October 1989), § 12.2.
The US Naval Handbook (2007) states: “Improperly using protective signs, signals, and symbols … to injure, kill, or capture the enemy is an act of perfidy.” 
United States, The Commander’s Handbook on the Law of Naval Operations, NWP 1-14M/MCWP 5-12.1/COMDTPUB P5800.7, issued by the Department of the Navy, Office of the Chief of Naval Operations and Headquarters, US Marine Corps, and Department of Homeland Security, US Coast Guard, July 2007, § 12.2.