e/Navigator Program

Information
has gloss	eng: The Navigator Program is a long term NASA project charged with over-seeing all missions related to the detection and characterization of Earth-like planets. It also seeks to further understand how galaxies, stars and planets form. Navigator, with a twenty-five year time window, is essentially an umbrella program for more specific current and proposed projects which seek out Earth analogues and possible extraterrestrial life. The main components of Navigator include two ground-based and two space based missions.
lexicalization	eng: Navigator Program
instance of	c/NASA programs