El Arenosillo is the name of a rocket launch site for suborbital rockets for atmospheric soundings, located near Mazagón in Spain. A rocket launch site or launch complex is a facility at which Rocket launches are conducted A sub-orbital spaceflight (or sub-orbital flight is a Spaceflight in which the Spacecraft reaches space, but its Trajectory intersects A rocket or rocket vehicle is a Missile, Aircraft or other Vehicle which obtains Thrust by the reaction of the An atmospheric sounding is a measurement of vertical distribution of physical properties of the atmospheric column such as pressure, Temperature, Wind Mazagón is a beach town in Spain near Huelva. Spain () or the Kingdom of Spain (Reino de España is a country located mostly in southwestern Europe on the Iberian Peninsula. It is located in the province of Huelva in southern Spain, in the southwestern part of the autonomous community of Andalusia. In addition to its autonomous communities, Spain is divided into fifty Provinces. Huelva is a province of southern Spain, in the western part of the autonomous community of Andalusia. Spain () or the Kingdom of Spain (Reino de España is a country located mostly in southwestern Europe on the Iberian Peninsula. An autonomous community is a first-level political division of the Kingdom of Spain, established in accordance with the Spanish Constitution. Andalusia (Andalucía is an autonomous community of Spain. It is the most populous and the second largest in terms of land area
The first launch of a rocket from El Arenosillo took place October 4, 1966. Up to 1994 a total of 557 rockets were launched from this base, mainly of the Skua type and in collaboration with other countries. Skuas are Seabirds in the family Stercorariidae. The three smaller skuas are called jaegers in North America
All rockets for atmospheric soundings in Spain are launched from El Arenosillo.
El Arenosillo is also the location of an astronomical observatory, with two domes and three telescopes. An observatory is a location used for observing terrestrial and/or celestial events