Silhouette of a tall mountain during sunset, crest on the horizon. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301384/free-photo-image-san-salvador-cc0 Free Image from public domain license
Lake Ilopango, a crater lake which fills a volcanic caldera in central El Salvador. Original from NASA. Digitally enhanced… https://www.rawpixel.com/image/440647/free-photo-image-salvador-satellite-lake Free Image from public domain license
Canadian Forces Capt. Karoline Martin, a nurse with the Canadian Forces Health Services Center, gives a child a sticker… https://www.rawpixel.com/image/3317777/free-photo-image-hospital-work-children-157th-air-refueling-wing-public-affairs Free Image from public domain license
A video camera screen shows U.S. Sailors with the Fleet Forces Band as they are interviewed at the Channel 10 News station… https://www.rawpixel.com/image/8738886/photo-image-public-domain-camera Free Image from public domain license
ATLANTIC OCEAN - U.S. Navy Cmdr. Shawn Safford, a surgeon embarked aboard the Military Sealift Command hospital ship USNS… https://www.rawpixel.com/image/3400438/free-image-doctor-apparel-civic-assistance Free Image from public domain license
U.S. Army Spc. Christopher Hernandez, foreground, assigned to the 65th Military Police Company, conducts non-lethal riot… https://www.rawpixel.com/image/3319100/free-photo-image-military-security-forces-apparel-arizona Free Image from public domain license
U.S. Navy Hospital Corpsman Seckisiesha Isaac, left, checks a Salvadoran woman's vitals at a prescreening vital signs… https://www.rawpixel.com/image/8742485/photo-image-public-domain-womans-person Free Image from public domain license