Blue Origin's highly-anticipated inaugural flight to the edge of space has been given the go-ahead by launch officials. The New Glenn rocket, part of the company's space exploration program, is set to make a groundbreaking journey. The rocket's propulsion system is based on a mix of methane, liquid oxygen (LOX), and hydrogen. While the bottom booster is powered by methane and LOX, the upper stage engines will utilize hydrogen and LOX for propellants. This innovative use of different fuels in the rocket's stages demonstrates advancements in propellant technology. With the green light for propellant loading, the launch team is one step closer to the historic liftoff. The ability of the upper stage engines to switch to hydrogen and LOX once the initial booster fuel is depleted showcases the sophisticated engineering behind Blue Origin's space missions, paving the way for future space exploration endeavors.