Description
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 for all Navy deep submergence matters. Since its commissioning, Development Squadron has become the working repository for deep ocean technology and the operational, at-sea application of that technology. - FULLY EMBROIDERED MERROWED BORDER WITH PLASTIC BACKING FOR IRON ON CONVENIENCE
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