 He received the NEC 5321/22 UDT designation given after a six-month probationary period completed with Underwater Demolition Team 12.He was never granted the Navy Enlisted Classification (NEC) 5326 Combatant Swimmer (SEAL) designation, which requires a six-month probationary period with SEAL TEAM ONE or TWO.In 1983, eight years after Ventura left the Navy, the UDTs were disbanded and those operators were retrained and retasked as SEALs.