U.S. Navy Capt. Gregory Klein, the commanding officer of 4th Dental Battalion, 4th Marine Logistics Group, Marine Forces Reserve, shakes hands with Sailors at Ponce, Puerto Rico, May 2, 2019, during Innovative Readiness Training Puerto Rico. IRT Puerto Rico is also called Ola de Esperanza Sanadora, which translates to Healing Wave of Hope. MARFORRES Sailors are working jointly with several National Guard and Reserve units from across the nation to provide medical care in Puerto Rico during a two-week medical exercise. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)