Boosted Arcas is the designation of an American sounding rocket

Sounding rocket

A sounding rocket, sometimes called a research rocket, is an instrument-carrying rocket designed to take measurements and perform scientific experiments during its sub-orbital flight. The origin of the term comes from nautical vocabulary, where to sound is to throw a weighted line from a ship into...

. The Boosted Arcas consists of a first stage

Multistage rocket

A multistage rocket is a rocket that usestwo or more stages, each of which contains its own engines and propellant. A tandem or serial stage is mounted on top of another stage; a parallel stage is attached alongside another stage. The result is effectively two or more rockets stacked on top of or...

of the type ARC booster or of the type MARC 42A1. The maximum altitude of the Boosted Arcas amounts to 50 km, the takeoff thrust 1,00 kN, the diameter 0,11 m and the length 3,40 m. The Boosted Arcas was launched 78 times between 1963 and 1972.