Airman 1st Class Jawan Dial, 31st Force Support Squadron assistant sports director, explains the contents of unitized group rations to Lt. Col. Brian Robertson, 606th Air Control Squadron commander, outside Pula, Croatia, May 28, 2019. The 31st FSS provided food services to the 606th ACS during exercise Astral Knight 19. (U.S. Air Force photo by Tech. Sgt. Tory Cusimano)