Naval Base San Diego, California (Sept. 24, 2015) - Sgt. Martin Kassner, a pay clerk with the Disbursing Section for the 13th Marine Expeditionary Unit, checks for the micro-security measures on a hundred dollar bill before accepting it as payment toward a Navy Cash Card during PHIBRON-MEU Integration Training Exercise (PMINT), Sept. 24, 2015. Kassner and other disbursing Marines are responsible for any discrepancies in their balances, so they take care to ensure all bills are legitimate. (U.S. Marine Corps photo by Sgt. Paris Capers/RELEASED) - Naval Base San Diego, California (Sept. 24, 2015) - Sgt. Martin Kassner, a pay clerk with the Disbursing Section for the 13th Marine Expeditionary Unit, checks for the micro-security measures on a hundred dollar bill before accepting it as payment toward a Navy Cash Card during PHIBRON-MEU Integration Training Exercise (PMINT), Sept. 24, 2015. Kassner and other disbursing Marines are responsible for any discrepancies in their balances, so they take care to ensure all bills are legitimate. (U.S. Marine Corps photo by Sgt. Paris Capers/RELEASED)