Today’s invention is an ejector seat apparatus for single-seat jets.
As the pilot ejects, the trailing edge of the seat physically breaks a fuel pipeline, causing the plane to be filled with explosive liquid.
This will ignite and destroy the plane in an intense aerial conflagration.
The effect would be to avoid casualties on the ground which might be caused by a large piece of debris.
It also limits the amount of secret information about the plane’s construction which might be gleaned from such remnants.