An online database of camouflage used by 
United State Naval Warships during WWII

USN Ship Call Letters

This section contains listings of ship's codes. These codes were used in communication via radio or by semaphore, flags, etc. for each ship in the U.S. Naval Fleet. Each ship had a unique 4 letter call name. CVL-27 USS Langley (ship code: NFQB) wearing MS 21 paint scheme