What was the original name of the global navigation system that consists of 11 satellites, one of which was launched in 1978?
OPS 5114 OPS 5114, also known as Navstar 4, GPS I-4 and GPS SVN-4, was an American navigation satellite launched in 1978 as part of the Global Positioning System development programme. It was the fourth of eleven Block I GPS satellites to be launched.
Kosmos 1701 Kosmos 1701 (Russian: Космос 1701 meaning "Cosmos 1701") is a Soviet US-K missile early warning satellite which was launched in 1985 as part of the Soviet military's Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.