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Military.com fitness writer Stew Smith demonstrates the proper form for knee push-ups. (Sept. 4) Military.com

Military.com fitness writer Stew Smith demonstrates the proper form for a left-to-right neck stretch. (Sept. 4) Military.com

Military.com fitness writer Stew Smith demonstrates the proper form to do a lateral raise with the thumbs up. (Sept. 4)

Military.com fitness writer Stew Smith demonstrates the proper form to do a lateral raise. (Sept. 4) Military.com

Military.com fitness writer Stew Smith demonstrates the proper form for a left elbow, right knee crunch. (Sept. 4) Military.com

Ukrainian President Volodymyr Zelenskyy said on Wednesday he hopes to speak to US President Donald Trump about increasing pressure on

Chinese President Xi Jinping on Wednesday attended a gala as part of events marking the 80th anniversary of the end

China showcased its developing military might at a parade marking the 80th anniversary of the end of World War II

President Donald Trump says the U.S. has carried out a strike in the southern Caribbean against a drug-carrying vessel that

President Donald Trump has officially announced that Space Command's headquarters will be moving to Alabama. (Sept. 2) AP