The Air Force is closing reenlistment bonuses for 89 of the service's toughest career fields several months earlier than anticipated -- and giving airmen who want the financial incentive only days to re-sign for the cash. The selective retention bonus, or SRB, for fiscal 2025 will end Tuesday, a statement from the service said , citing "high retention rates and projected full execution of the program's budget." Military.com reported in December on the 89 Air Force Specialty Codes, or AFSCs,