The United States NAVY operated their Grumman C-2A and C-2A (R) Greyhound in several squadrons. Four of them are still using the aircraft.

VAW-110 (Firebirds) VAW-110 (Firebirds)     NAS Miramar, California, U.S.A. April 20, 1967 - Sept. 30, 1994
VAW-120 (Greyhawk) VAW-120 (Greyhawk     NAS Oceana, Virginia, U.S.A. April 1, 1967 - Present
VR-24 (Lifting Eagle) VR-24 (Lifting Eagle)     NAF Sigonella, Sicily, Italy 1948 - March 31, 1993
VRC-30 (Providers) VRC-30 (Providers)     NAS North Island, California, U.S.A. June 24, 1943 - Present
VRC-30 DET 1 (Hustlers)     Hustlers NAS North Island, California, U.S.A.  
VRC-30 DET 2 (Roughnecks)    VRC-30 DET 2 (Roughnecks) Roughnecks NAS North Island, California, U.S.A.  
VRC-30 DET 3 (Crusaders)     Crusaders NAS North Island, California, U.S.A.  
VRC-30 DET 4 (Pure Horsepower)     Pure Horsepower NAS North Island, California, U.S.A.  
VRC-30 DET 5 (We Deliver)    VRC-30 DET 5 (NAF Atsugi) We Deliver NAF Atsugi (soon at MCAS Iwakuni), Japan NAF Atsugi, Japan  1994 - 2017
MCAS Iwakuni 2017 -
VRC-40 (Rawhides) VRC-40 (Rawhides)     Naval Station Norfolk, Virginia, U.S.A. July 1, 1960 - Present
VRC-40 DET 1      Naval Station Norfolk, Virginia, U.S.A.  
VRC-40 DET 2 (Bush Whackers)   Bush Whackers Naval Station Norfolk, Virginia, U.S.A.  
VRC-40 DET 3       Naval Station Norfolk, Virginia, U.S.A.  
VRC-40 DET 4 (Horsemen)     Battlefish /
Horsemen
Naval Station Norfolk, Virginia, U.S.A.  
VRC-40 DET 5  
  Naval Station Norfolk, Virginia, U.S.A.  
VRC-50 (Foo Dog)     NAS Atsugi, Japan
NAS North Island, CA, U.S.A.
NAS Cubi Point, Philippines
Oct. 1, 1966 - Oct. 7, 1994
VX-20 (Airtevron)     NAS Patuxent River 1975 - Present

 

 The C-2A had his first flight at November 18, 1964.

 REMARKS: All insigna shown on my web page are scanned from original patches in my collection.