Moon landing the only country to have successfully conducted manned missions to the Moon, with the last departing the lunar surface in December 1972. After the unsuccessful attempt by the Luna 1 to land on the Moon in 1959, the Soviet Union performed the first hard (unpowered) Moon landing later that same year with the Luna 2 spacecraft, a feat the U.S. duplicated in 1962 with Ranger 4. Since then, twelve Soviet and U.S. spacecraft have used braking rockets to make soft landings and perform scientific operations on the lunar surface, between 1966 and 1976. In 1966 the USSR accomplished the first
Craft of Opportunity Program Craft of Opportunity Program The Craft of Opportunity Program (COOP) was a Royal Australian Navy (RAN) acquisition program intended to supplement the navy's mine warfare capability with civilian vessels that could be quickly converted into minesweepers. Vessels acquired under COOP were not commissioned into the RAN, and instead operated with the prefix "MSA" (Minesweeper Auxiliary). COOP was initiated in 1985, to cover the gap in mine warfare capability caused by the decommissioning of the Ton-class minesweepers and delays in building their replacements, the Bay-class minehunting catamarans. In order to equip the auxiliary vessels, the RAN acquired several Klein Type 590