遠征軍

expeditionary force / army on a distant expedition

far / distant / remote / (intensifier in a comparison) by far / much (lower etc)

to distance oneself from (classical)

an expedition, esp. military / march to remote regions

journey / trip / expedition / to go on long campaign / to attack

to invite / to recruit / to levy (taxes) / to draft (troops) / phenomenon / symptom / characteristic sign (used as proof) / evidence

(bound form) army / military