This notice is for the second block of the Marine Corps’ Mounted Assured Resilient Navigation (MARNAV) program. Block I requirements are met by the Army’s Mounted Assured PNT System (MAPS) Gen II.

The United States needs to restore its focus on space as a national security priority as conditions have changed and threats ...

GPS collars placed on African elephants have helped reduce poaching by alerting authorities whenever these creatures roam ...