Original U.S. WWII Navy Large Submarine Warning Flag with Halyard - 60 x 96” WWII complete with the red felt

complete with the red felt insert

but soon he had to suspend it

There are EM/NCO litzen collar patches on each side

and there is a 57 stamped on the leather itself

The solution was the implementation of the swivel bail

Original U.S. WWII Navy Large Submarine Warning Flag with Halyard - 60 x 96” WWII complete with the red feltOriginal Item. Only One Available. A "Notice To Mariners" from 1917 states: The submarine distinguishing and warning flag is hoisted on the tender or parent ship of submarines to indicate that submarines are operating in the vicinity. Launches accompanying submarines also fly this flag. The submarine warning flag consists of a rectangular red flag with white center on which is the profile of a torpedo in black. Vessels seeing this signal should give