Nike-Cajun
The Nike-Cajun was a two-stage sounding rocket built by combining a Nike base stage with a Cajun upper stage. It was launched 714 times between 1956 and 1976 and was the most frequently used sounding rocket of the western world. The Nike Cajun had a launch weight of 698 kg, a payload of 23 kg, a launch thrust of 246 kN and a maximum altitude of 120 km. It had a diameter of 42 cm and a length of 7.70 m. The maximum speed of the Nike-Cajun was.
The Cajun stage of this rocket was named for the Cajun people of south Louisiana because one of the rocket's designers, J. G. Thibodaux, was a Cajun.
The Nike-Cajun configuration was also used by one variation of the MQR-13 BMTS target rocket.
Engine: