launched from USA

USA-128

Success
SEP 12199608:49:00 UTC

Delta II left the GPS IIA-18 satellite in a transfer orbit, and the satellite raised itself to medium Earth orbit with its own Star-37XFP apogee motor. GPS IIA-18 was the 18th of 19 Block IIA satellites in the US Global Positioning System and entered service on 17 October 1996.

launched from LC-17A Canaveral

aboard Delta II 7925 Delta 238 into MEO

carrying 1,816 kg of payload

Payload

USA-128 (GPS IIA-18)

Navigation

last updated Oct 8, 2026