Watch This Olympian Take the 22 Pushup Challenge to Honor VetsTeam USA gymnast Sam Mikulak knocked out 22 pushups at TODAY to bring awareness to the tragically high rate of suicide among military vets. Get more newsLiveonPrintAug. 19, 2016, 11:43 PM UTC / Updated Aug. 19, 2016, 11:42 PM UTC / Source: TODAY