U.S. Airmen with the 320th Special Tactics Squadron and the 31st Rescue Squadron reflect upon fallen pararescueman during a memorial ruck march at Kadena Air Base, Japan, Oct. 25, 2019. Airmen loaded litters with training dummies and weights, then carried more than 1,000 lbs. of equipment on a five-mile march around the flightline. The memorial honored Tech. Sgts. Peter Kraines and Sean Barnes who both died after sustaining injuries during training incidents in 2014 and 2019. (U.S. Air Force photo by Staff Sgt. Peter Reft)