GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The National Reconnaissance Office satellite carried an experimental laser communications payload and an operational UHF data relay payload.

Mass: 1,800 kg (3,900 lb).

• 2001 May 18 - USA 158 - Launch Site: Cape Canaveral. Launch Complex: LC17B. Launch Vehicle: Delta. Mass: 93 kg (205 lb). Perigee: 179 km (111 mi). Apogee: 35,700 km (22,100 mi). Inclination: 19.50 deg. Period: 629.01 min.
  Military Communications Technology flight. Launch delayed from March 1, April 25, May 2 and 17. GeoLITE, US National Reconnaissance Office spacecraft was into placed by the Delta launch vehicle into a geostationary transfer orbit. GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The satellite carried an experimental laser communications payload and an operational UHF data relay payload.