 On 4 February , the CryoSat @-@ 2 spacecraft was fuelled for launch . Then on 10 February it was attached to the payload adaptor , and encapsulated in the payload fairing , to form a unit known as the Space Head Module . This was transported to the launch pad by means of a vehicle known as the crocodile , and installed atop the carrier rocket . Rollout occurred on 15 February , and the next day the satellite was activated in order to test its systems following integration onto the rocket . 
