▁August ▁ 2 4 , ▁ 1 9 4 8 , ▁Y ana i ▁commanded ▁“ Hash oded ” ▁operation ▁at ▁sea . ▁Two ▁Isra eli ▁cor v ettes ▁took ▁over ▁the ▁Ar ji ro , ▁a ▁ship ▁loaded ▁with ▁weapons ▁and ▁am mun ition ▁on ▁its ▁way ▁to ▁supply ▁Arab ▁forces . ▁The ▁cargo ▁was ▁transferred ▁to ▁the ▁Isra eli ▁forces ▁fighting ▁the ▁War ▁of ▁Independ ence . ▁The ▁Ar ji ro ▁was ▁s unk . ▁ ▁In ▁ 1 9 5 1 ▁Y ana i ▁studied ▁at ▁the ▁Techn ion . ▁In ▁ 1 9 5 2 ▁he ▁began ▁his ▁studies ▁at ▁M . I . T . ▁and ▁in ▁ 1 9 5 4 ▁obtained ▁an ▁engineering ▁and ▁management ▁master ' s ▁degrees , ▁becoming ▁one ▁of ▁the ▁first ▁ID F ▁officers ▁to ▁study ▁academ ically ▁abroad . ▁In ▁ 1 9 5 4 ▁he ▁returned ▁to ▁serve ▁at ▁the ▁Navy . ▁In ▁ 1 9 5 5 ▁he ▁head ed ▁a ▁mission ▁of ▁Naval ▁officers ▁to ▁Britain , ▁over see ing ▁the ▁upgrade ▁of ▁two ▁“ Z ” - class ▁destroy ers ▁purchased ▁from ▁the ▁U . K ., ▁a ▁benchmark ▁in ▁the ▁Isra eli ▁Navy ▁transition ▁to ▁a ▁better ▁equ ipped ▁naval ▁force . ▁ ▁In ▁ 1 9 5 6 , ▁during ▁Operation ▁K adesh ▁in ▁the ▁S uez ▁Cris is , ▁Y ana i ▁captured ▁the ▁Egypt ian ▁destroy er ▁I bra him ▁el ▁A wal , ▁which ▁became ▁IN S ▁Ha ifa . ▁ ▁Business