GPS signals that guide civilian aircraft in the Middle East and Ukraine are being jammed and spoofed, diverting flights and risking the safety of all onboard. Meanwhile, diplomats from 25 countries met again in Geneva to consider possible elements of a legally binding agreement to prevent an arms race in outer space (PAROS). Both situations arise from decades of unsuccessful diplomatic attempts to ensure that outer space – a shared, global environment on which the entire world depends – remains peaceful and available to all.