1 6 ▁November ▁ 1 9 6 1 ▁she ▁searched ▁for ▁the ▁missing ▁k etch ▁Blue ▁Bell . ▁From ▁ 1 2 ▁to ▁ 1 3 ▁March ▁ 1 9 6 2 ▁she ▁assist ed ▁the ▁M / V ▁F lying ▁Tr ader ▁that ▁was ▁a ground ▁near ▁the ▁Mat an illa ▁Sho al . ▁On ▁ 6 ▁January ▁ 1 9 6 3 ▁she ▁recovered ▁a ▁US AF ▁dr one ▁ 1 7 ▁miles ▁off ▁N ass au . ▁On ▁ 2 8 ▁April ▁ 1 9 6 3 ▁she ▁assist ed ▁the ▁M / V ▁Cap ri ▁Koch ▁which ▁was ▁a ground ▁n ortheast ▁of ▁Mol ass es ▁Re ef . ▁On ▁ 1 ▁September ▁ 1 9 6 5 ▁she ▁coll ided ▁with ▁the ▁M / V ▁American ▁Le ader . ▁On ▁ 4 ▁October ▁ 1 9 6 6 ▁she ▁un success fully ▁attempted ▁to ▁prevent ▁the ▁cut ter ▁Point ▁Th atch er ▁from ▁ground ing ▁off ▁Miami . ▁ ▁She ▁transferred ▁to ▁San ▁Pedro , ▁California ▁as ▁of ▁December , ▁ 1 9 6 7 . ▁On ▁ 2 5 ▁March ▁ 1 9 6 8 ▁she ▁assist ed ▁following ▁a ▁collision ▁between ▁the ▁M / V s ▁Atlantic ▁Tr ader ▁and ▁Ste el ▁Design er ▁two ▁miles ▁off ▁Point ▁F erm in , ▁California . ▁She ▁played ▁a ▁" key ▁role " ▁in ▁the ▁experimental ▁maintenance ▁of ▁deep ▁water ▁mo or ings ▁using ▁synth etic ▁line ▁instead ▁of ▁chain ▁for ▁floating ▁a ids . ▁The ▁Wal nut