Basic Military Training. The first course all USAF personnel are required to attend in order to serve in the Air Force.

Physical Ability and Stamina Test. This test is given prior to going to Special Warfare Prep, as well as during Special Warfare Prep. Consider this an entrance exam that must be passed in order to go to Selection.

Combat Control or Combat Controller. This is a Special Operations enlisted career field that specializes in establishing Air control in combat environments.

Assessment and Selection. A selection course designed to assess several facets of Special Warfare candidates and select the best candidates for various Special Operations career fields like Pararescue, Combat Control, TACP, and SOR.

Pararescue Indoctrination, or Indoc for short, was a course designed to instill an operator mentality through rigorous training and team building exercises. This course was notorious for having the highest attrition rate in the Department of Defense (DoD). Beginning January 2019, Pararescue Indoctrination has been replaced with Assessment and Selection.

United States Air Force Special Operations enlisted career field specializing in combat rescue and recovery.

Combat Rescue Officer. CROs are officers that lead PJs/SERE. Read more about them here.

Pararescue or Pararescueman