RED SEA (Oct. 19, 2021) Marines assigned to the 11th Marine Expeditionary Unit board a CH-53E Super Stallion helicopter attached to Marine Medium Tiltrotor Squadron (VMM) 165 (Reinforced), aboard the amphibious transport dock ship USS Portland (LPD 27) in support of exercise Indigo Defender 21, Oct. 19, 2021. Indigo Defender 21 is a capstone bilateral maritime exercise between Royal Saudi Naval Forces Western Fleet 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)