▁H ag å t ña , ▁the ▁capital , ▁contains ▁about ▁ 8 , 0 0 0 . ▁Poss ess ing ▁a ▁good ▁har bor , ▁the ▁island ▁serves ▁as ▁a ▁United ▁States ▁naval ▁station , ▁the ▁naval ▁command ant ▁acting ▁also ▁as ▁governor . ▁The ▁products ▁of ▁the ▁island ▁are ▁ma ize , ▁cop ra , ▁rice , ▁sugar , ▁and ▁valuable ▁tim ber ." ▁Military ▁officers ▁govern ed ▁the ▁island ▁as ▁" U SS ▁Gu am ", ▁and ▁the ▁United ▁States ▁Navy ▁opposed ▁propos als ▁for ▁civil ian ▁government ▁until ▁ 1 9 5 0 . ▁ ▁World ▁War ▁II ▁ ▁During ▁World ▁War ▁II , ▁Gu am ▁was ▁inv aded ▁by ▁the ▁Imperial ▁Japanese ▁Army ▁on ▁December ▁ 8 , ▁ 1 9 4 1 ▁shortly ▁after ▁the ▁attack ▁on ▁Pear l ▁Har bor . ▁The ▁Japanese ▁immediately ▁renamed ▁the ▁island ▁" O mi ya ▁J ima " ▁( Gre at ▁S hr ine ▁Island ). ▁ ▁The ▁Japanese ▁military ▁occupation ▁of ▁Gu am ▁last ed ▁from ▁ 1 9 4 1 ▁to ▁ 1 9 4 4 . ▁It ▁was ▁a ▁co er ci ve ▁experience ▁for ▁the ▁Cham or ro ▁people , ▁whose ▁loyal ty ▁to ▁the ▁United ▁States ▁became ▁a ▁point ▁of ▁cont ention ▁with ▁the ▁Japanese . ▁Several ▁American ▁serv ic emen ▁remained ▁on ▁the ▁island , ▁however , ▁and ▁were ▁hidden ▁by ▁the ▁Cham or ro ▁people . ▁All ▁of ▁these ▁serv ic emen ▁were ▁found ▁and ▁executed ▁by ▁Japanese ▁forces ▁in ▁ 1 9