Terry Cleo Simison, born April 2, 1947 in Lansing, MI. He attended St. Casimir School and graduated from Everett high School. He enlisted United States Navy on April 21, 1965 while still in high school and attended basic training in Great Lakes. After completion of basic, he attended Submarine School in New London and was then assigned to the USS Sailfish, from there he was transferred to submarine rescue ship USS Kittywake until April of 1968 when he volunteered for duty in Vietnam.

After completion of training at NIOTC he reported to RIVSEC 544 at Nha Be Vietnam in May of 1968. He was in action within days of reporting and was awarded the Silver Star and Purple Heart for action on August 2, 1968 when his patrol came under heavy attack and he aided the wounded while still under fire, although wounded himself.

On September 1, 1968, RIVSEC 544 was re-designated RIVDIV 593, COMRIVPATFLOT 5. Petty Officer Simison was part of this transition and continued the tradition of the Iron Butterfly. On January 17, 1969 he was mortally wounded by an AK-47 round in the neck when his patrol came under heavy attack on the Vam Co Dong River as part of operation Giant Slingshot.

He was highly regarded by all in the division, was, and is, missed by those he served with and his family. Terry was survived by his mother Reath, and father Riley. Also, two brothers, a sister and two stepbrothers. Terry's family is in touch with members of the Iron Butterfly.

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