Only one's testing stuff that might be a threat to them? "It is a feature of the present invention to provide a craft, using an inertial mass reduction device,

Only one's testing stuff that might be a threat to them? "It is a feature of the present invention to provide a craft, using an inertial mass reduction device, that can travel at extreme speeds." https://patents.google.com/patent/US10144532B2/en https://patents.google.com/patent/US10144532B2/en