The Commercial Lunar Mission Support Services (CLMSS), also called Lunar Mission Support Services [1] (LMSS) is a collaboration between Surrey Satellite Technology Ltd (SSTL) and the European Space Agency (ESA) to develop lunar telecommunications and navigation infrastructure to support lunar scientific and economic development.
The collaboration agreement, announced on 17 April 2018,[2] proposes a step-wise approach to implementing a sustainable commercial service to support both orbiting and landed lunar assets.[1][2]