A U.S. special forces soldier sets off a traditional explosive charge that's noticeably larger then recently-developed breaching charges, Thursday, Sept. 19, 2024, at at Fort Liberty in Fayetteville, N.C. A U.S. special forces soldier sets off a reshaped explosive charge that's noticeably smaller to reduce its blowback on troops, Thursday, Sept. 19, 2024, at at Fort Liberty in Fayetteville, N.C. Special Operations Command is developing ways to better protect warfighters and evaluate their health risks, particularly during training. (AP Photo/Chris Carlson)