noun
boot camp for new recruits (Japan Self-Defense Forces)
Refers specifically to the initial training program for new enlistees in Japan's Self-Defense Forces.
彼は自衛隊の体験入隊に参加した。
He participated in the Self-Defense Forces' boot camp for new recruits.
Compound of 体験 (taiken, 'experience') and 入隊 (nyūtai, 'enlistment').