NASA/GSFC plans to award a sole source contract to the University of Hawaii for satellite laser ranging (SLR) services, including operations, maintenance of the TLRS-4 system, and support for new geodetic stations. The work will be performed at the TLRS-4 facility in Haleakala, Hawaii, leveraging its remote location for uninterrupted laser tracking. Interested organizations must submit their capabilities and qualifications by 12:00 PM Eastern Standard Time on June 26, 2026, for consideration of a competitive acquisition. No budget amount is specified in the description. The government retains sole discretion to proceed with a non-competitive award based on the responses received.