Spc. Domingo Perez-Lopez, 395th Financial Management Support Unit financial management specialist, logs in simulated captured currency using a financial management tactical platform, or FMTP, during Diamond Saber at Fort McCoy, Wisconsin, Aug. 14, 2021. Diamond Saber is a U.S. Army Reserve-led exercise that incorporates participation from all components and joint services, and it prepares finance and comptroller Soldiers on the warfighting functions of funding the force, payment support, disbursing operations, accounting, fiscal stewardship, auditability and data analytics.