extravehicular activity (manned space flight)

Describes the history of space walking and the technological advances that have made it possible. Also explains how space suits and space walkers work and discusses future experiments.

Describes the work of Project Gemini, the 1960s space program that helped U.S. astronauts develop space survival skills, and includes color photos of Gemini's training and 1965 mission.

Presents an introduction to space, in simple text with illustrations, describing what it is, and how people travel through it.

Discusses Project Gemini's two unmanned and ten manned missions; spacewalking, the spacewalkers, and their Soviet counterparts; and moving on to Project Apollo and the moon.