Booster 5 is a large rocket, As high as Booster 3 stacked on Booster 2. The rocket is set to liftoff with a E12-6 motor. If successful, we will 3d print a hot staging ring and stack Second S5, atop Booster 5.

Status: Preps for Booster 5 test flight.

Second 5 is a booster that is based off Booster 2/3's flight-proven design. The rocket will launch on a Test Flight later this year, before It's integrated flight test where it will be attached to Booster 5 with a Hot-Staging Ring. 

Flights: S5-1 , S5-2

Status: Preps for S5-2 Mission