1961, USS Lake Champlain, first in the orbit brought RECOVERY-SHIP document of the first American manned space mission (Mercury Redstone 3), as second manned flight in the history the space travel received! Black hand stamp \"USS LAKE CHAMPLAIN CVS-39 RECOVERY SHIP FOR THE FIRST U. S. MANNED SPACE FLIGHT 5 MAY 1961\" as well accordingly postmark on unmailed letter, superb