Senior Airman Ricardo Aguilera-Salas, an aerial porter from the Puerto Rico Air National Guard who was augmenting the Kentucky Air National Guard's 123rd Contingency Response Group, guides cargo during Operation Lone Oak at Volk Field, Wis., June 11, 2021. Aerial porters moved cargo 24 hours a day during the exercise. (U.S. Air National Guard photo by Senior Master Sgt. Vicky Spesard)