Senior Airman Timothy Jansen, assigned to the 736th Security Forces Squadron, takes a defensive position during a field training exercise on North West Field, Guam, Oct. 28, 2021. The Commando Warrior FTX is a culmination of security forces tier training, which is mandatory pre-deployment training for defenders U.S. Air Force-wide. (U.S. Air Force photo by Airman Breanna Gossett)