Nope USS ENTERPRISE CV-6 has the most at 20. Even some of the ships that fought in WW2, Korea & Vietnam and received battlestars for the actions cannot beat this figure. It is a real shame she wasn't kept as a monument after the war. A real loss.
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The subject got me curious so I went and did some research on the subject. Listed are the TOP 5 most decorated ships of the US Navy in each class. One priviso when I made up my list was that they had to see service in WW2. The numbers in parenthesis ( )are Battlestars received.
BATTLESHIPS:
1. USS New Jersey BB-62: (16) 9 WW2/ 4 Korea/ 2 Vietnam/ 1 Iraq
2. USS Washington BB-56: (13) WW2
....USS South Dakota BB-57: (13) WW2
3. USS North Carolina BB-55: (12) WW2
4. USS Massachusetts BB-59: (11) WW2
... USS Iowa BB-61: (11) 9 WW2/ 2 Korea
5. USS Tennessee BB-43 (10) WW2, NUC
AIRCRAFT CARRIERS:
1. USS Enterprise CV-6: (20) WW2, PUC, NUC
2. USS Essex CV-9: (17) 13 WW2, PUC/ 4 Korea, NUC
.....USS Ticonderoga CV-14: (17) 5 WW2, 3xNUC, MUC/12 Vietnam
3. USS Yorktown CV-10: (16) 11 WW2, PUC/ 5 Vietnam
4. USS Bellau Wood CVL-24: (12) WW2, PUC
.....USS Cowpens CVL-25: (12) WW2, NUC
5. USS Lexington CV-16: (11) WW2, PUC
.....USS Bunker Hill CV-17: (11) WW2, PUC
HEAVY CRUISERS:
1. USS San Francisco CA-38: (17) WW2
....USS St. Paul CA-73: (17) 1 WW2/ 8 Korea/ 8 Vietnam
2. USS New Orleans CA-32: (16) WW2
....USS Portland CA-33: (16) WW2
....USS Minneapolis CA-36: (16) WW2
3. USS Pensacola CA-24: (13) WW2
....USS Louisville CA-28: (13) WW2
....USS Wichita CA-45: (13) WW2
4. USS Chester CA-27: (11) WW2
5. USS Indianapolis CA-35: (10) WW2
....USS Boston CA-69: (10) WW2
LIGHT CRUISERS:
1. USS San Diego CL-53: (15) WW2
2. USS Cleveland CL-55: (13) WW2, NUC
....USS San Juan CL-54: (13) WW2
....USS Montpelier CL-57: (13) WW2
....USS Santa Fe CL-60: (13) WW2
3 USS Denver CL-58: (11) WW2, NUC
....USS St. Louis CL-49: (11) WW2
....USS Mobile CL-63: (11) WW2
4 USS Columbia CL-56: (10) WW2, NUC
....USS Nashville CL-43: (10) WW2
5. USS Birmingham CL-62: (9) WW2
NOTES:
Only the USN Capital ships are listed above. Many of the Destroyers of the fleet also had large numbers of Battlestars awarded them.
Also, Many of the Allied and Axis Navies ships also had large numbers of battle honors assigned them but except for the Imperial Japanese Navy - they were usually fewer in number than the Allied ships of WW2.
*PUC = Presidential Unit Citation
*NUC = Navy Unit Citation
*MUC = Meritorious Unit Citation