The Senior Enlisted Leader of the Defense Health Agency, Command Sgt. Maj. Michael Gragg, signs a book during a lab tour at the Senator Daniel K. Inouye DPAA building, Honolulu, Hawaii, Feb. 25, 2021. DPAA has the responsibility and authority to provide the fullest possible accounting for Department of Defense service members and civilians unaccounted for or missing from designated past conflicts. DHA, through the Armed Forces Medical Examiner System-Armed Forces DNA Identification Laboratory, supports the DPAA mission with medical examiner assets and all DNA testing for human identification. (U.S. Army photo by Sgt. Mitchell Ryan)