Antenna Integration Facilities at ALMA OSF

From the left to the right in this picture, the North American, the Japanese and the European ALMA antenna integration facilities are seen. Here, the three ALMA partners assemble and test their antennas before delivering them to the ALMA observatory. The integration facilities are part of the ALMA Operations Support Facility (OSF), located at 2900 metres altitude on the road to Chajnantor. The image was taken on 24 March 2011.