DIEGO GARCIA, British Indian Ocean Territory (August 9, 2022) Master-at-Arms 2nd Class Christian Biao, a military working dog (MWD) handler assigned to U.S. Navy Support Facility (NSF) Diego Garcia, guides Timi, an MWD, during a certification and training exercise. Handlers and MWDs navigate training courses to help them learn to strengthen their weaknesses and communicate with each other more quickly and efficiently through verbal and nonverbal commands and positive reinforcements. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jan David De Luna Mercado)