We went to a space centre for our excursion. We went with 5V. 5V was in one group and 5M was in the other. First we were with Chris and we did some cool experiments. Then we went with two other people and went to the Mars lab, I saw dna. Then we went with Peta to do the mission controller. Alarms went on a lot of times and Will and I had to fix the problems. Our role was to take care of the Mars rovers.An alarm went off, radiation was coming to the lab.