USS Thresher SSN 593 Challenge Coin Display Option & Gift Bag:Circular Case & Stand & Bag One thing to remember is

One thing to remember is that there are no rules when creating this vest

you'll find the ship's crest and commissioning date

The James K Polk SSBN 645 boat coin design is on the front of this coin

Fabric Gray

Has your vest seen better days

USS Thresher SSN 593 Challenge Coin Display Option & Gift Bag:Circular Case & Stand & Bag One thing to remember isA beautiful hand painted 1. 75 inch brass coin honoring the men of the USS Thresher SSN 593, one of the only two peace time submarines lost at sea USS Thresher SSN 593 The USS Thresher sank off the New England coast while on sea trials following an overhaul. The exact cause is unknown. A Navy board of inquiry determined that the "most likely cause" was a failure in either a pipe, a pipe valve, or a hull weld, causing flooding somewhere near the engine