MAYPORT, Fla. - Cmdr. Mark Gallagher relieved Cmdr. Matthew McKenna as commanding officer of USS Delbert D. Black (DDG 119) May 7, socially distanced ceremony aboard the ship, pierside at Naval Station Mayport.

ARLINGTON, Va. - Delivering cutting-edge technology to Sailors and Marines at a rapid pace is at the top of the to-do list for ONR and the Naval Research Enterprise. ONRG E&A address problem spaces and capability gaps for future conflicts by combining the power and potential of technology with the