Historical context of GNSS in space. The latest historic chapter in GNSS for space users was launched, as one would expect, ...

Through an analytic approach focused on assessment, prioritization strategy, proof-of-concepts, and phased implementation, the U.S. military can improve its PNT capabilities.

James “JJ” Miller is a recent retiree of NASA, after serving nearly two decades as the NASA headquarters PNT policy lead, where he sponsored several GPS modernization efforts and managed the National ...