Iceland Embarkation Marines board a CH-53 Super Stallion helicopter in Keflavik, Iceland, Oct. 17, 2018, for a simulated air assault as part of Trident Juncture 2018, a NATO-led exercise hosted by Norway. SHARE: Download: Full Size (3.3 MB) Tags: NATO, Marine Corps, Trident Juncture 18 Credit: Navy Petty Officer 2nd Class Jonathan Nelson VIRIN: 181017-N-WO404-112Y.JPG Photo Gallery