U.S. Public Health Service Cmdr. Kiel Fisher and a group of first responders from the Mexican states of Jalisco and Michoacán review various techniques using a rescue sled to save a water-based victim in Puerto Vallarta, Mexico, March 22, 2017. U.S. Northern Command donated $270,000 of equipment and sent multiple representatives to Puerto Vallarta for a week of water search and rescue training with Mexican firefighters and lifeguards. This training took place in support of USNORTHCOM’s humanitarian assistance partnership with the government of Mexico. (Photo by U.S. Air Force 1st Lt. Lauren Hill/Released)