Lieut. Col. John H. Glenn Jr

First Day Cover CANAKS 4% 4. U.S.MAN U.S.MAN IN SPACE IN SPACE FEB 20 3 30PM 1962 PROJECT MERCURY PROJECTIMERCURY occocccdoco.ooJAY OF SSUFcccccce OOCCCC CCC CCOCOOCOCC FLA. U.S. MAN IN SPACE U.S. MAN IN SPACE PROJECT MERCURY PROJECT MERCURY S.Row LIEUT. COL. JOHN H. GLENN JR. On Feb. 20, 1962 Lieut. Col. John H. Glenn Jr. became the first American astronaut to orbit the earth. During his five and a half hour flight, Glenn circled the world three times, CAPE