Projects

Nova Small is the smallest of the novas currently active and also reliable

Nebula C is the only full aerospike rocket in the heavy lift class in the entirety of SR2(i think)

Hypernova is a converted Mars launcher and the first asparagus staging rocket of XL

Nova Heavy is a medium lift class and the first rocket built by XL 

Supernova is a superheavy class lifter known for the SNRS missons

Omega nova is the largest rocket in all of the rockets here, made to launch space stations