Wikipedia
Rehbar was series of sounding rocket launches into the upper atmosphere and the edge of space. Rehbar-I was the first rocket launched by Pakistan's Space and Upper Atmosphere Research Commission (SUPARCO), on 7 June 1962. Rehbar-I was a two-staged Solid fuel rocket.
Various sounding rocket models were launched by Pakistan approximately 200 times between 1962 and 1972. Twenty-four of those flights were in the Rehbar series. The Rehbar series of flights utilized no less than three and possibly four different sounding rockets. The rockets used were Centaure, Judy-Dart, Nike-Cajun, and according to one source Nike-Apache. Other sounding rockets used by Pakistan were Dragon 2B, Petrel, and Skua. The Rehbar Sounding Rockets are no longer in services of SUPARCO. Rehbar is an Urdu Language word which literary means "One who leads the way".