The first U-2 flight was successfully flown by pilot Tony LeVier on August 4, 1955. The first operational U-2 mission over Poland and East Germany was flown by Carl Overstreet on June 20, 1956. <ref name="blackbirds.net"/> | The first U-2 flight was successfully flown by pilot Tony LeVier on August 4, 1955. The first operational U-2 mission over Poland and East Germany was flown by Carl Overstreet on June 20, 1956. <ref name="blackbirds.net"/> |