(military) expedition; campaign
expedition (for exploration, research, etc.); travelling (a long way); tour (by a sports team, performer, etc.); visit
海外に遠征する計画がある。
There are plans for an overseas expedition.
サッカー部が遠征に出発した。
The soccer club departed for an away game.
長い遠征から帰還した兵士。
Soldiers who returned from a long campaign.