▁Aer on aval ▁de ▁Ex pl ora ción ▁( N aval ▁Ex pl oration ▁Squadron ). ▁They ▁were ▁intens ively ▁used ▁in ▁ 1 9 7 8 ▁during ▁the ▁Operation ▁So ber ania ▁against ▁Chile ▁including ▁over ▁the ▁Pacific ▁Ocean . ▁ ▁During ▁the ▁F alk lands ▁War ▁in ▁ 1 9 8 2 , ▁the ▁last ▁two ▁air frames ▁in ▁service ▁( 2 - P - 1 1 1 ▁and ▁ 2 - P - 1 1 2 ) ▁carried ▁out ▁reconna issance ▁miss ions ▁over ▁the ▁South ▁Atlantic ▁and ▁on ▁ 4 ▁May , ▁after ▁detect ing ▁a ▁group ▁of ▁British ▁war ships , ▁helped ▁to ▁direct ▁an ▁attack ▁by ▁two ▁D ass ault ▁Super ▁Ét end ards ▁that ▁resulted ▁in ▁the ▁s inking ▁of ▁the ▁British ▁destroy er ▁. ▁The ▁lack ▁of ▁spare ▁parts , ▁caused ▁by ▁the ▁US ▁having ▁en act ed ▁an ▁arms ▁embargo ▁in ▁ 1 9 7 7 ▁due ▁to ▁the ▁D irty ▁War , ▁led ▁to ▁the ▁type ▁being ▁retired ▁before ▁the ▁end ▁of ▁the ▁war ; ▁Argent ine ▁Air ▁Force ▁Lock he ed ▁C - 1 3 0 ▁Her cules ▁took ▁over ▁the ▁task ▁of ▁searching ▁for ▁targets ▁for ▁strike ▁aircraft . ▁ ▁Other ▁military ▁operators ▁The ▁Canadian ▁version ▁of ▁the ▁Lock he ed ▁Ne pt une ▁( P 2 V 7 ) ▁served ▁as ▁an ▁anti - sub marine , ▁anti - sh ipping ▁and ▁mar itime ▁reconna issance ▁aircraft ▁in ▁the ▁RC AF ▁Mar itime ▁Air ▁Command ▁from ▁ 1 9 5