Springfield SSN 761 Commissioned - 09 Jan 1993
Boise SSN 764 Commissioned - 07 Nov 1992
Austin is ...., and served four years active duty (1990 - 1994) aboard the fast attack submarine U.S.S. Boise (SSN-761).
Ooh! That's interesting. Might not be the first time a resume's been fabricated.....Keep digging.