If these are the same man, then it is possible that he first enlisted in the Army and later tranferred into the Navy.
Source: U.S. World War II Army Enlistment Records Name: Chester Gadomski Birth Year: 1917 Race: White, citizen (White) Nativity State or Country: New York State of Residence: New YorkCounty or City: Kings Enlistment Date: 13 Jun 1941 Enlistment State: New York Enlistment City: Fort Jay Governors Island Branch Code: Branch Immaterial - Warrant Officers, USA Grade: PrivateGrade Code: Private Component: Selectees (Enlisted Men) Source: Civil LifeEducation: 4 years of high school Civil Occupation: Semiskilled meatcutters, except in slaughtering and packing houses Marital Status: Single, without dependents Height: 67Weight: 149
WWII U.S. Navy Aircraft Carrier Muster Rolls, 1939-1949 Name Sail Date Ship Name Ship number Chester Gadomski 1 Jul 1945 HornetCV-12 Service # 785 06 / rating86/S2c Y-6 Chester Gadomski 1 Oct 1945 HornetCV-12 Service # 785 06 / rating86/S2c Y-6 Chester Gadomski 9 Oct 1945 HornetCV-12 Service # 785 06 / rating86/S2c Y-6 Chester Gadomski 1 Apr 1946 HornetCV-12 Service # 785 06 / rating86/S2c Y-6 Chester Gadomski 1 Jul 1946 HornetCV-12
.................. I beleive this is the correct family in 1930 Census 1930; Census Place: Buffalo, Erie, New York; Roll: 1425; Page: 4A; Enumeration District: 69; Image: 399 Name Age Samuel Gadomski 42 Sophia Gadomski 36 Edward Gadomski 16 Anthony Gadomski 13 Irene Gadomski 12 Henry Gadomski 9 Edmund Gadomski 6 Matthew Gadomski 4 1/12 Chester Gadomski 2 2/12