Just depends on his job. Could be anywhere from 28 days to 2 years.
The aircraft armament systems j3abr2w131c 003 2w1×1c 32 days 2w1×1 aircraft armament systems j3abr2w131c 003 2w1×1c 32 days 2a6×5 aircraft structural maintenance j3aqr2a333a 002 93 days 2w1×1 aircraft maintenance j3aqr2a333a 002 93 days 2a6×5 aircraft.
Mine was 9 months for computer tech.