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.