180221-N-IE405-1115 SAN DIEGO (Feb. 21, 2018) Cmdr. Anthony Keller learns about African American pilots and astronauts from Hospital Corpsman 1st Class Willie Harris during a Black History Month celebration held at Naval Medical Center San Diego (NMCSD). This year's Navywide Black History Month theme is "African Americans Times of War." NMCSD's diversity team hosted the ceremony to honor, recognize, and celebrate African Americans for their dedication and service. (U.S. Navy photo by Mass Communication Specialist 2nd Class Indra Beaufort/Released)