U.S. Marines with Black Sea Rotational Force 17.1 and NATO Allies stack up while participate in breach training during… https://www.rawpixel.com/image/8727923/photo-image-public-domain-person-blackFree Image from public domain licenseU.S. Marines with Alpha Battery, 1st Battalion, 10th Marine Regiment, 2nd Marine Division (2d MARDIV), fire an M777 155 mm… https://www.rawpixel.com/image/8728134/photo-image-light-public-domain-flareFree Image from public domain license