Lt. Col. Gerald K. Melson, commander of the Ohio National Guard's 1st Battalion, 174th Air Defense Artillery Regiment, speaks during the unit's call to duty ceremony Sept. 15, 2018, in Cincinnati. Members are deploying to the National Capital Region in Washington, to provide personnel support to the homeland defense mission there, which includes the use of radar, ground based air defense systems and communications equipment.

---

Size: 1769px × 1130px
Photo credit: © Bob Collet / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1-174thada, ada, air, america, archive, armed, army, calltoduty, ctd, defence, force, forces, military, navy, ncr, ohionationalguard, reportage, service, serviceman, servicemen, soldier, states, united, usa