Any engineer here? please i need a guidance?

i am very interested in space! i visited NASA last month im 13 and i want to work in nasa in short in space programming making rockets designing them so which kind of engineering should i take? eg. mechanical, electronics, aerospace etc. im confused which engineering will help me to work there. they need some specific kind of engineering for every job there. so please help me i will always thank you throughout my life to choose the correct option.