Uk Rocketry Links MARS Advanced Rocketry Society (MARS) - Admitedly, I'm biased, but in my opinion, currently the leading UK contender for putting an amateur rocket into space based on experience of the team, and previous achievements (first amateur hybrid rocket launched in the UK, current highest verified altitude achieved by a UK rocket). United Kingdom Rockety Association (UKRA) - UKRA is the body which oversees High Power and Amateur rocketry in the UK. It is open to both individuals and to groups and societies who wish to affiliate to it (all of the serious UK rocketry groups are affiliated to UKRA). Sheffield Rocketry Association (SRA) - MARS's main rival in the altitude stakes. We are engaged in friendly competition with the SRA, so friendly in fact, that we even lend each other equipment for various launches ! We can't let the SRA beat MARS, otherwise we'll be buying them beer for evermore !