large tourus balloon to launch rocket. contol room rings beneath & gantry. baloon may need to be bigger to hold all the weight. this allows rockets to launch at higher altitiudes thus using less fuel.
large tourus balloon to launch rocket. contol room rings beneath & gantry. baloon may need to be bigger to hold all the weight. this allows rockets to launch at higher altitiudes thus using less fuel.
large tourus balloon to launch rocket. contol room rings beneath & gantry. baloon may need to be bigger to hold all the weight. this allows rockets to launch at higher altitiudes thus using less fuel.