U.S., Mexican Civilian First Responders Complete Water Search and Rescue Training
First responders from the Mexican states of Jalisco and Michoacán practice tying various knots with rope and webbing as U.S. Public Health Service Capt. John Holland assesses their progress in Puerto Vallarta, Mexico, March 21, 2017. As part of U.S. Northern Command's humanitarian assistance partnership with Mexico, Holland and another member of the PHS offered new techniques to Mexican first responders in an effort to enhance their existing knowledge of water search and rescue. (Photo by U.S. Air Force 1st Lt. Lauren Hill/Released)

Photo by: NORAD and USNORTHCOM Public Affairs |  VIRIN: 170321-F-VU809-004.JPG