▁close ▁to ▁the ▁influ ential ▁First ▁Lady , ▁Eva ▁Per ón , ▁and ▁served ▁as ▁her ▁naval ▁a ide - de - camp ▁until ▁her ▁death ▁in ▁ 1 9 5 2 . ▁He ▁was ▁then ▁named ▁head ▁of ▁the ▁Río ▁Santiago ▁Naval ▁Academy ▁( site ▁of ▁an ▁important ▁naval ▁ship yard ), ▁though ▁in ▁August ▁ 1 9 5 5 , ▁he ▁was ▁persu aded ▁to ▁take ▁part ▁in ▁the ▁coup ▁d ' état ▁that ▁to pp led ▁Per ón ▁on ▁September ▁ 1 9 . ▁Cred ited ▁with ▁leading ▁the ▁Navy ▁during ▁the ▁re bell ion , ▁Ro jas ▁obtained ▁Per ón ' s ▁res ignation ▁and ▁ex ile ▁by ▁comm ande ering ▁the ▁A RA ▁General ▁Bel gr ano ▁- ▁threaten ing ▁to ▁bomb ard ▁the ▁Y PF ▁ref in ery ▁in ▁En sen ada ▁( then ▁the ▁nation ' s ▁largest ). ▁ ▁Vice ▁President ▁On ▁▁ 2 3 ▁September ▁ 1 9 5 5 ▁he ▁was ▁reward ed ▁with ▁the ▁Vice ▁Pres iden cy ▁at ▁the ▁Navy ' s ▁ins istence , ▁and ▁remained ▁in ▁the ▁post ▁until ▁President ▁Pedro ▁Ar amb uru ▁rel in qu ished ▁power ▁to ▁elected ▁authorities ▁in ▁May ▁ 1 9 5 8 . ▁ ▁Ro jas ▁im posed ▁a ▁sta unch ▁anti - Per on ist ▁and ▁anti - Comm un ist ▁as ▁Vice ▁President , ▁though ▁he ▁supported ▁Ar amb uru ' s ▁call ▁for ▁Constitution al ▁Assembly ▁elections ▁in ▁ 1 9 5 7 , ▁over coming ▁ob jections ▁from