Members of the 633rd Security Forces Squadron, Air Force Office of Special Investigation and Naval Criminal Investigative Services conduct a ruck march in memory of joint patrol team Hustler 6 at Joint Base Langley-Eustis, Virginia, Dec. 21, 2018. Hustler 6 was attacked by a suicide bomber riding a motorcycle near Bagram Air Field, Afghanistan, Dec. 21, 2015. (U.S. Air Force photo by Airman 1st Class Anthony Nin Leclerec)