(2) ペイロード準備棟で開梱して動作チェックした後、頭胴部をロケット組上棟（ロケット全体の組み立てを行う場所）に移動。
Moving the rocket head from the Payload Preparation Building (PPB) where the rocket parts are unpacked and their operation confirmed, to the Motor Assembly Building (MAB) where the rocket will be assembled.