The rear of one of the 16 Bloodhound launcher that equipped the missile base of Gubel. The missile the Swiss had bought were all Mark 2's. They included several improvements and a different launcher. The missile was launched by four boosters, but after the missile had gained sufficient speed the boosters would fall off and two ramjets would take over. Take a look at the site of Militärhistorische Stiftung des Kantons Zug for more information.