A method, apparatus and composition are described for a payload delivery system capable of moving a radioactive high level waste payload from the Earth to being captured by the Sun. The payload delivery system comprises a rocket system capable of being carried and launched from an aircraft. The rocket system has at least one stage that utilizes one and only one propellant being a single liquid propellant and a final stage that utilizes pneumatic cannon driven by the final stage combustion or ullage gases to propel the radioactive high level waste payload toward the Sun.