Marines from Lima Company, 3rd Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve in support of Special Purpose Marine Air-Ground Task Force UNITAS LXIII, conduct Military Operations in Urban Terrain (MOUT) training with Brazilian Marines at Ilha do Governador, Rio de Janeiro, Sept. 7, 2022. The training phase of exercise UNITAS integrates partner nations in various military events to exchange information on best practices and enhance interoperability of the multinational force. For the last 63 years, UNITAS has developed and sustained relationships that improve the capacity of our reemerging and enduring maritime partners to achieve common objectives. Additionally, the military-to-military exchanges foster mutual cooperation and understanding among participating navies and marine corps. (U.S. Marine Corps photo by Maj. Jeremy Wheeler)