new launcher coming soon!

this is announcement/question post,

i am building an new spacecraft! it will be able to carry 3 astronauts to other worlds, name hint: mars 2020, (sneak peek below)

now the question (XD), what do you think? should this be ab SSTO or a shuttle style like my discovery? i dont really know... edit: im having issues with the craft... it shakes while flying with nav sphere... can someone help me fix it?