SAN DIEGO (Oct. 4, 2021) Hospital Corpsman 3rd Class Tiana Greer, assigned to Navy Medicine Readiness and Training Command (NMRTC) San Diego, participates in a Hospitalman Skills Basic (HMSB) training exercise at the hospital, Oct. 4, 2021. All corpsmen are to maintain HMSB proficiency and demonstrate the HMSB skills in a clinical setting at least every 2 years. NMRTC San Diego's mission is to prepare service members to deploy in support of operational forces, deliver high quality healthcare services and shape the future of military medicine through education, training and research. NMRTC San Diego employs more than 6,000 active duty military personnel, civilians, and contractors in Southern California to provide patients with world-class care anytime, anywhere. (U.S. Navy photo by Mass Communication Specialist 3rd Class Mariterese Merrique)