U.S. Coast Guard Petty Officer Jonathan DeHart, 34, a native of Amesbury, Mass., stands watch while underway aboard the U.S.… https://www.rawpixel.com/image/5977471/photo-image-light-public-domain-oceanFree Image from public domain licenseKustlandschap met storm op zee en vuurbaken (1739 - 1740) by Giuliano Giampiccoli, Marco Ricci, Giuliano Giampiccoli and… https://www.rawpixel.com/image/13769595/image-paper-cloud-cartoonFree Image from public domain licenseA turquoise sea with a city skyline on the horizon on a cloudy day. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294566/free-photo-image-adventure-buildings-cc0Free Image from public domain licenseA man wearing a baseball cap on a duck at sunset in silhouette. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291374/free-photo-image-banister-baseball-hat-benchFree Image from public domain licenseTrappers' and fishermen's boats and homes along the bayou. Delacroix Island, Louisiana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12333017/image-sky-light-public-domainFree Image from public domain licenseYacht isolated image on white https://www.rawpixel.com/image/10188848/yacht-isolated-image-whiteView licenseRaft begins dizzying plunge down Wild Sheep Rapid on the Snake River. Raft was one of several taking part in a conservation… https://www.rawpixel.com/image/8802856/photo-image-person-light-mountainFree Image from public domain license[Untitled photo shows: Soldiers in full pack boarding a transport]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12298675/image-people-man-babyFree Image from public domain licenseMEDITERRANEAN SEA (Oct. 22, 2016) USS Ross (DDG 71), not shown, takes part in a photo exercise with the Charles de Gaulle… https://www.rawpixel.com/image/3399374/free-photo-image-adventure-c6f-cc0Free Image from public domain license