Air Force Staff Sgt. Kassandra J. Bain, an aerospace medical technician with 185th Medical Group, 185th Air Refueling Wing, provides optometry care at Ponce, Puerto Rico, April 27, 2019, during Innovative Readiness Training Puerto Rico. The purpose of the Innovative Readiness Training Puerto Rico is to provide dental, optometry and medical care to the community while performing joint military humanitarian operations. Marine Forces Reserve is participating in IRT Puerto Rico 2019 in order to maintain military readiness while strengthening alliances with partners. (U.S. Marine Corps photo by Sgt. Andy O. Martinez)