This listing is for a custom made, never worn, polo shirt with the US Navy/IBM LAMPS Team patch embroidered into the upper left shoulder of the short sleeve shirt. The LAMPS Mark III System was a 1980s Anti-Submarine and Data Link designed to "Hunt for Red October" and helped end the 40-year Cold War with the USSR. This shirt commemorates the many people who helped in that effort and is a one-of-a-kind design. Feel free to ask any questions. Thanks for looking!