Getty Images
Chicago Teachers Union rally on September 3, 2012
Teachers and union members rally in Daley Plaza over contracts and budget cuts Chicago Teachers Union rally on September 3, 2012 on September 05, 2012 in Chicago, IL (Footage by Getty Images)
Getty Images
MS U.S. Air Force combat search and rescue soldiers of pararescue unit are waiting for explosion behind wall and starts moving with automatic rifles after detonation / Laskhar Gah, Helmand, Afghanistan
MS U.S. Air Force combat search and rescue soldiers of pararescue unit are waiting for explosion behind wall and starts moving with automatic rifles after detonation / Laskhar Gah, Helmand, Afghanistan
Getty Images
MS U.S. Air Force combat search and rescue soldiers of pararescue unit unlocks a frag grenade and throwing / Laskhar Gah, Helmand, Afghanistan
MS U.S. Air Force combat search and rescue soldiers of pararescue unit unlocks a frag grenade and throwing / Laskhar Gah, Helmand, Afghanistan
Getty Images
MS POV U.S. Special Operation Forces soldiers with AR15 and M16 automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
MS POV U.S. Special Operation Forces soldiers with AR15 and M16 automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
Getty Images
CU R/F U.S. Special Operation Forces rifleman in water with M16 automatic rifle in water in Vietnam war / Jungle, Hue, Vietnam
CU R/F U.S. Special Operation Forces rifleman in water with M16 automatic rifle in water in Vietnam war / Jungle, Hue, Vietnam
Getty Images
CU Shot of Vietnamese NVA soldier is observing jungle / Jungle, Hue, Vietnam
CU Shot of Vietnamese NVA soldier is observing jungle / Jungle, Hue, Vietnam
Getty Images
CU U.S. Special Operation Forces rifleman with M16 automatic rifle in Vietnam war / Jungle, Hue, Vietnam
CU U.S. Special Operation Forces rifleman with M16 automatic rifle in Vietnam war / Jungle, Hue, Vietnam
Getty Images
MS U.S. Special Operation Forces soldiers with automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
MS U.S. Special Operation Forces soldiers with automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
Getty Images
MS TU U.S. Special Operation Forces soldiers in water with automatic rifles and shotgun in Vietnam war / Jungle, Hue, Vietnam
MS TU U.S. Special Operation Forces soldiers in water with automatic rifles and shotgun in Vietnam war / Jungle, Hue, Vietnam
Getty Images
MS R/F U.S. Special Operation Forces soldiers with automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
MS R/F U.S. Special Operation Forces soldiers with automatic rifles walking in river in Vietnam war / Jungle, Hue, Vietnam
Getty Images
CU Shot of Vietnamese NVA soldier is observing jungle, behind him U.S. special operation forces soldier appears with combat knife / Jungle, Hue, Vietnam
CU Shot of Vietnamese NVA soldier is observing jungle, behind him U.S. special operation forces soldier appears with combat knife / Jungle, Hue, Vietnam
Getty Images
Kayaking on a river. - 1920x1080
Kayaking on a river. - Model Released - 1920x1080 - HD
Getty Images
Men hiking in the mountains. - 1920x1080
Men hiking in the mountains. - Model Released - 1920x1080 - HD
Getty Images
Man Jumps In The Sea Super Slow Motion
Young man jumps in the sea from a pier. Shot in super slow motion.
Getty Images
A skier doing a jumping trick on skis in the winter at a ski resort.
A skier doing a jumping trick on skis in the winter at a ski resort.
Getty Images
Close-up detail of a man mountain biking on a singletrack dirt trail.
Close-up detail of a man mountain biking on a singletrack dirt trail.
Getty Images
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion
Getty Images
Close-up detail of a man mountain biking on a singletrack dirt trail. - Slow Motion
Close-up detail of a man mountain biking on a singletrack dirt trail. - Slow Motion
Getty Images
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion
Getty Images
A skier doing a jumping trick on skis in the winter at a ski resort.
A skier doing a jumping trick on skis in the winter at a ski resort.
Getty Images
A man jumping on his mountain bike on a singletrack dirt trail through a forest.
A man jumping on his mountain bike on a singletrack dirt trail through a forest.
Getty Images
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion
A man jumping on his mountain bike on a singletrack dirt trail through a forest. - Slow Motion