Manned Circumlunar Loop

Some articles on loop, circumlunar loop, manned circumlunar loop, manned:

Moonlanding - Soviet Circumlunar Loop Flights (1967–1970)
... to aim a spacecraft from Earth so that it will loop around the Moon and return to Earth without actually entering lunar orbit, following the so-called ... Such circumlunar loop missions are simpler than actual lunar orbit missions because rockets for lunar orbit braking and Earth return are not required ... However, a manned circumlunar loop trip poses significant challenges above and beyond those found in a manned low-Earth-orbit mission, offering valuable ...