Rheinmetall Defence has stated that "MASS has attracted orders from 9 nations, for 130 launchers, on 15 different classes of naval vessels" as of March 31/09. As of 3 March 2011, this has been expanded to a total order of at least 172 units. Roughly one year later, on the 17th of April 2012, the total was at 186 launchers for 22 different classes of vessels in 11 different nations. –==Customers== two additional unknown customers.