After Frank denies Hawkeye's request to leave camp and find Trapper in order to say goodbye, Radar O'Reilly gets permission to pick up B.J. at the airfield in Kimpo, Trapper's first stop on his way home.
After Frank declines Hawkeye's attempt to leave the camp and meet Trapper to say goodbye, Radar O'Reilly gains authorization to collect B.J. from Kimpo Airfield, which is Trapper's initial destination upon returning home.