Republic of Korea submarine ROKS Lee Eokgi transits on the surface in Pearl Harbor Hawaii. StocktrekImages
A boat on Grey Lake, Torres del Paine National Park; Torres del Paine, Magallanes and Antartica Chilena Region, Chile PacificStock
The Military Sealift Command fleet replenishment oiler USNS Richard E. Byrd refueling at sea with USS Fitzgerald. StocktrekImages
View of a Super Cub air taxi at Tanaina Glacier in the Neacola Mountains, Aleutian Range, Southcentral Alaska, Winter PacificStock