Staff and leadership

Space flight programs

Manned programs

X-15 rocket plane

Project Mercury

Project Gemini

Apollo program


Apollo–Soyuz Test Project

Space Shuttle program

International Space Station

Commercial programs

Beyond Low Earth Orbit program

Earth Observing System

The Earth Observing System (EOS) is a program of NASA comprising a series of artificial satellite missions and scientific instruments in Earth orbit designed for long-term global observations of the land surface, biosphere, atmosphere, and oceans. The satellite component of the program was launched in 1997. The program is centerpiece of NASA's Earth Science Enterprise (ESE).