in mossedeep city, in the space center theres a man in a lab standing at the window. talk to him. he'll say succesful lanuch no.1. come back every week for 50 weeks and the 50 he will ask you to in space with him. im not sure what it looks like or what you have to do but im preety sure it works cause im on the 9 week. also do the same thing to get juirchi but in his case it will be 100 weeks.