United States Air Force Chiefs from across Air Education and Training Command participate in the Basic Expeditionary Airman Skills and Training, or BEAST course Oct. 24, 2019, at Joint Base San Antonio-Lackland’s Medina Annex. The BEAST expeditionary event is a culminating readiness course accomplished by Basic Military Training trainees one week prior to the 37th Training Wing's BMT graduation, to ensure the preparedness of our next-generation Airmen, and increase lethality & readiness. More