This patch is dedicated to the 2nd Destroyer Development group. The development group was formed for inventing and testing equipment for improvement to the United States Navy destroyer ships. This...
US NAVY SUBMARINE DEVELOPMENT GROUP TWO PATCH - The U.S. Navy's submarine force has the world's most capable submarines, manned by the world's best trained and motivated submariners. During the...
US NAVY SUBMARINE DEVELOPMENT GROUP ONE PATCH Submarine Development Squadron 5, established in 1967 as Submarine Development Group 1 by the Chief of Naval Operations, is the operational focal point...