Senior Airman Seth Vreeland, a K-9 handler with the 460th Security Forces Squadron, carries Military Working Dog Ketty over his shoulder during a 5K ruck march at Buckley Space Force Base, Colo., May 17, 2022. The march was held to pay homage to the public servants who put themselves in harm’s way to keep Americans safe and honor those who lost their lives in the line of duty. (U.S. Space Force photo by Airman 1st Class Shaun Combs)