Tropical fish take refuge amongst Elkhorn Coral U.S. Air Force CSAR parajumper armed with an automatic rifle U.S. Air Force CSAR parajumper armed with an automatic rifle U.S. Air Force CSAR Parajumpers during a combat scene U.S. Army Ranger in Afghanistan combat scene U.S. Navy Seal combat diver prepares for HALO jump operations Eruption of Strokkur Geysir, Iceland Diplodocus dinosaurs bathe in a large body of water Devils Tower National Monument, Wyoming Chromatic Pool Hot Spring, Yellowstone National Park, Wyoming Artist's concept of a large barren world and its companion moon Artist's concept illustrating a star cluster in the Milky Way galaxy An AV-8B Harrier jet prepares to land on the flight deck of USS Essex An AV-8B Harrier II prepares to land on the flight deck of USS Nassau An Atlast V rocket carrying the Juno spacecraft during a midday launch Amphibious assault ship USS Boxer underway in the Pacific Ocean A vehicle commander with his radio equipment attached to his vest A U.S. Air Force F-16C Fighting Falcon receives in-flight refueling A rare planet surrounded by a cloud of plasmatic nitrogen and flames A planet full of massive mountain chains and vast deserts A paratrooper salutes as he jumps out of a C-130J Super Hercules A parallel universe so thin you're able to see the other side A growing Sun about to burn a nearby planet A Goliath Grouper effortlessly floats by a shipwreck off the coast Key Largo, Florida A giant ion cannon built as a defense against huge ships A concentrated gamma ray strikes a planet, tearing it open A Chilean Air Force F-16 refuels from a U.S. Air Force KC-135 Stratotanker A C-17 Globemaster III provides humanitarian relief to Port-au-Prince, Haiti Aurora Borealis over Vagsfjorden outside of Harstad in Northern Norway Aurora Borealis over Tennevik River in Troms County, Norway Aurora Borealis over Sandvannet Lake in Troms County, Norway A massive stacked lenticular cloud over Tjedsundet in Troms County, Norway A giant stacked lenticular cloud over Tjeldsundet, Troms County, Norway The Military Sealift Command dry cargo and ammunition ships A massive low pressure system approaching the northern California coast Skier riding down powdery mountains Air Force Poster: Freedom Can Keep Us Free Military Poster: A Special Warfare Combatant-craft Crewman mans a GAU-17 minigun Military Motivational Poster: Petty Officer guides an SH-60R Sea Hawk helicopter Military Poster: An F-15E Strike Eagle pops flares Military Poster: Members of the U.S. Naval Academy cheer as the Blue Angels perform Military Poster: Petty Officer guides an SH-60R Sea Hawk helicopter Motivational Poster: An F-15E Strike Eagle pops flares Giant Panda cub playing in tire swing, Wolong Nature Reserve, China Dunluce Castle, Co Antrim, Ireland Bangkok, Thailand, Tilted view of a street vendor selling various Thai foods Saguaro (Carnegiea gigantea) cactus in desert, Sonoran Desert, Arizona Roseate Spoonbill (Ajaja ajaja) preening, Florida Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100