RED SEA (Oct. 25, 2021) The guided-missile destroyer USS O'Kane (DDG 77), front, breaks away from formation while conducting division tactics as part of exercise Indigo Defender 21. Indigo Defender 21 is a capstone bilateral maritime exercise between Royal Saudi Naval Forces and U.S. Naval Forces Central Command to enhance interoperability and strengthen our capacity to maintain regional maritime security and stability. (U.S. Marine Corps photo by Sgt. Alexis Flores)