Yuri Smityuk\TASS via Getty Images Walruses rest on an ice floe off Wrangel Island, part of the Wrangel Island State Nature Reserve in the Arctic Oce...
US Air Force/2nd Lt. Kaylin P. Hankerson From left to right: Airman 1st Class Jazmyne Lomax, Capt. Sarah Edwards, Senior Airman Rachel Bissonnette, C...