With its fuel now spent the core unit of the Hercules Super Booster falls back toward Earth for a fiery decent toward the Pacific Ocean far below. Having separated from Hercules, Cocoon’s inertia carry’s it toward Earth orbit and as its speed decreases to that certain critical zero point the four sets of explosive bolts which hold base unit, nose cone and the two sets of side panels together fire to allow them to separate and reveal its internal cargo.