En-route propulsion
Names: En-route propulsionnuclear pulse propulsion
First appears in Book 3: Death's End, chapter 7 (Crisis Era, Years 1–4 Cheng Xin)
Appearances
B1
B2
B3
What you know
Book 3: Death's End
- Ch 7Bombs are launched ahead by rockets or repurposed ICBMs and spaced along about five AU; each detonation behind the sail accelerates the light probe.