CHENNAI : The first step towards cheaper space travel, that of creating a reusable launch vehicle, will be taken on Wednesday with the launch of a space recovery experiment, said R. V. Perumal, Director, Liquid Propulsions Systems Centre, Indian Space Research Organisation (ISRO), here on Thursday. The attempt to recover the satellite would be made on January 22, he said at the inauguration of `Kurukshetra', a national-level inter-collegiate technical festival, organised by students of College of Engineering, Anna University. Around 67 per cent of the total cost of a launch is spent on the single-use launch vehicle. Initiating human colonies...