English: BMSN Jeideyshka Izquierdo acts as "Phone and Distance Line" signalman during an underway replenishment with the ESPS Patiño (A-14) of the Armada Española, while operating in the North Atlantic Ocean, May 19, 2023. USS Oscar Austin (DDG-79) is underway in support of NATO's Formidable Shield a biennial integrated air and missile defense (IAMD) exercise involving a series of live-fire events against subsonic, supersonic, and ballistic targets, incorporating multiple Allied ships, aircraft, and ground forces working across battlespaces to deliver effects.