▁Port sm outh , ▁Ros yth ▁and ▁C ly de ). ▁The ▁Royal ▁Mar itime ▁A ux ili ary ▁Service ▁( R MA S ) ▁was ▁based ▁in ▁P embro ke ▁D ock ▁until ▁dis est ab lish ment ▁in ▁ 2 0 0 8 , ▁and ▁the ▁Ministry ▁of ▁Def ence ▁sold ▁the ▁free hold ▁of ▁the ▁site ▁to ▁the ▁Mil ford ▁H aven ▁Port ▁Author ity ▁( M HP A ) ▁in ▁ 2 0 0 7 . ▁For ▁most ▁of ▁the ▁last ▁ 2 0 ▁years ▁of ▁M OD ▁usage , ▁the ▁principal ▁R MA S ▁assets ▁seen ▁in ▁the ▁base ▁were ▁the ▁M OD ▁Salv age ▁& ▁Marine ▁Team ▁( former ly ▁CS AL MO ) ▁vessels ▁located ▁there , ▁the ▁majority ▁of ▁which ▁were ▁re located ▁to ▁the ▁Ser co ▁base ▁in ▁Bur nt is land ▁on ▁the ▁River ▁For th ▁upon ▁the ▁activation ▁of ▁the ▁£ 1 bn ▁Future ▁Pro vision ▁of ▁Marine ▁Services ▁( FP MS ) ▁contract ▁in ▁May ▁ 2 0 0 8 . ▁ ▁Military ▁g arrison ▁▁ ▁As ▁the ▁dock yard ▁and ▁its ▁importance ▁grew , ▁the ▁need ▁to ▁defend ▁it ▁was ▁addressed ▁and ▁P embro ke ▁D ock ▁became ▁a ▁military ▁town . ▁Work ▁began ▁in ▁ 1 8 4 4 ▁to ▁build ▁def ens ible ▁bar ra cks . ▁In ▁ 1 8 4 5 ▁the ▁first ▁occup iers ▁were ▁the ▁Royal ▁Mar ines ▁of ▁the ▁Port sm outh ▁Division , ▁followed ▁through ▁the ▁years ▁by ▁many ▁famous ▁reg iments