JG
Joseph Gronka
U.S. Navy Reserve
4TH SSG, PHILADELPHIA
Joseph Gronka is a reserve U.S. Navy Commander (CDR) who served from 1961 to 1994. During their time in service, served with 4TH SSG, PHILADELPHIA
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Joseph Gronka is a reserve U.S. Navy Commander (CDR) who served from 1961 to 1994. During their time in service, served with 4TH SSG, PHILADELPHIA
Branch
U.S. Navy
Rank
Commander (CDR)
Service Years
1961 - 1994
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