INDIAN OCEAN (Dec. 13, 2021) Aviation Machinist’s Mate 1st Class Joan Onia, left, a native of San Diego, and Aviation Machinist’s Mate Christian Salcedo, a native of Pittsburgh, Calif., assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4, perform maintenance on a blade-fold motor in the hangar bay of the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), Dec. 13, 2021. Carl Vinson Carrier Strike Group is on a scheduled deployment in the U.S. 7th Fleet area of operations to enhance interoperability through alliances and partnerships while serving as a ready-response force in support of a free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jeff D. Kempton)