sentences:  TBAS scores are combined with the candidate's Air Force Officer Qualifying Test (AFOQT) scores, and flying hours to produce a Pilot Candidate Selection Method (PCSM) score.The PCSM score provides a measure of a candidate's aptitude for pilot training and is a significant part of the selection process.As of August 14, 2006 the TBAS is operational at all testing sites and the BAT has been retired.