1-100 Model of the OmegA rocket in the medium configuration with 6 SRBs

OmegA is a medium to heavy lift rocket being developed by Northrop_Grumman (originally orbital ATK). The First stage is a Castor 600 engine (2 segment space shuttle SRB) with 6 GEM 63 SRBs. The second stage is a Castor 300 engine (1 segment space shuttle SRB), and the upper stage is powered by 2 RL-10s. This configuration is designed to carry 4,900 kg to GTO. The first flight is proposed for 2021