The alien claims that its species once inhabited a planet similar to Earth, but it has been destroyed by warfare and devastating misuse of technology. The surviving members have been observing Earth from orbit but were somehow unable to land on the planet (presumably their station or craft isn't capable of atmospheric descend). When John Corcoran performed the first manned space flight, in 1958, his shuttle was invaded by a member of this species, who impregnated the astronaut with alien embryos. The vessel crashed on Earth shortly afterwards and John was found in a comatose-like state, as his seemingly dead body still showed signs of life. It had no pulse, but still exhibited normal blood pressure, which should have been impossible under normal circumstances. A blood exam later revealed s