History Pics (@CombinedHistory) tweeted at 5:00 PM on Mon, Aug 18, 2014: "Ham" getting a checkup before becoming the first chimp in space on January 31, 1961 t.co/qV5ogD1Yk4History Pics (@CombinedHistory) tweeted at 5:00 PM on Mon, Aug 18, 2014: "Ham" getting a checkup before becoming the first chimp in space on January 31, 1961 t.co/qV5ogD1Yk4
History Pics (@CombinedHistory) tweeted at 5:00 PM on Mon, Aug 18, 2014: "Ham" getting a checkup before becoming the first chimp in space on January 31, 1961 t.co/qV5ogD1Yk4