RED SEA (April 21, 2022) A Saildrone Explorer unmanned surface vessel and Egyptian navy frigate ENS Alexandria (F911) operate in the Red Sea in support of the newly established Combined Task Force 153, April 21. CTF 153 focuses on maritime security and capacity building in the Red Sea, Bab al-Mandeb and Gulf of Aden. (U.S. Army photo by Cpl. DeAndre Dawkins)