> Suborbital spaceflight : UK to Australia in an hour Wait until the safety and security people do risk and threat assessments on that. Worst case is fairly cl

> Suborbital spaceflight : UK to Australia in an hour Wait until the safety and security people do risk and threat assessments on that. Worst case is fairly close to a suborbital kinetic impact missile, aimed at the region of a major city from halfway around the globe, with less than an hour's notice.