U.S. Air Force Airman Basic Tyvier Goldsmith, 343rd Training Squadron Basic Defender Course student, takes a break between training runs of an obstacle course on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Goldsmith and fellow students were able to have two practice runs on the course before being graded on their third and final run. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Dilson Baez Saurez, 343rd Training Squadron Basic Defender Course student, attempts to climb over the high-wall during an obstacle course on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Baez Suarez and fellow students had to use their rifle to ensure there were no foreign objects on the wall before trying to go over it. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Rolando Naughty, 343rd Training Squadron Basic Defender Course student, posts security while waiting for his teammate to finish an obstacle on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Naughty and fellow students work in two-man teams to overcome the obstacle course. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Matthew Kratzer, 343rd Training Squadron Basic Defender Course student, helps U.S. Air Force Airman Basic Dilson Baez Suarez 343rd TRS BDC student, over the high-wall obstacle on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Students were allowed three attempts to climb the high-wall by themselves before their wingman was allowed to provide support. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Staff Sgt. Garrett Huffman, 343rd Training Squadron Basic Defender Course instructor, briefs how to perform a low-crawl maneuver, as U.S. Air Force Staff Sgt. Joshua Perez, 343rd TRS BDC instructor, demonstrates to students from the 343rd TRS on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. The low-crawl is a tactical concealment movement that allows the user to move under objects, avoid being seen by enemy forces and makes for a harder target when receiving enemy fire. (U.S. Air Force photo Joshua J. Garcia)

U.S. Air Force Airman Basic Micheal Spears, 343rd Training Squadron Basic Defender Course student, posts security while waiting for his teammate to finish an obstacle on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Spears and fellow students worked in two-man teams to overcome the obstacle course. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Vincent Sooamalelagi, 343rd Training Squadron Basic Defender Course student, posts security as U.S. Airman Basic Ricardo Espinal, 343rd TRS BDC student, clears a wall obstacle during an obstacle course portion of training on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Sooamalelagi and Espinal worked together as wingmen throughout the course clearing each obstacle working as a team. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Dilson Baez Suarez, left, and U.S. Air Force Airman Basic Matthew Kratzer, both 343rd Training Squadron Basic Defender Course students, use their weapons systems to push away simulated barbed wire during a portion of an obstacle course on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Students were taught to use their weapon systems to lift the simulated wire so they can move underneath it with minimal risk of causing bodily harm. (U.S. Air Force photo by Joshua J. Garcia)

U.S. Air Force Airman Basic Justin Zong, 343rd Training Squadron Basic Defender Course student, applies camouflage to his face prior to being tested on the obstacle course portion of training on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. Zong and fellow students were allowed two practiced runs before having to do a practical where they were graded on completing the obstacles and using the correct tactical techniques during the seven-obstacle course. (U.S. Air Force photo by Joshua J. Garcia)

Airmen students from the 343rd Training Squadron sanitize their uniforms in preparation for completing an obstacle course as part of training on Joint Base San Antonio-Chapman Training Annex, Texas, May 11, 2026. To sanitize a uniform means to remove all identifying markers such as patches and nametags. (U.S. Air Force photo by Joshua J. Garcia)