The pull of the fantasy future, but also the push of the unpleasant present, the nothing that is happening and will continue to happen unless you change.

In the weeks leading up to take-off, I could feel the constant, seismic rumble of all those barely reined-in pounds per square inch of thrust.

The interceptor had sustain constant thrust or impulsive thrust perpendicular to the line-of-sight during the flight, and the target was maneuverable.