four-stage

Updated: May 28, 2025

Then one could guess at a three-or even four-stage launching series, so that what appeared to be mere pinpoints would really be rockets carrying half-ton atomic warheads with an attained velocity of 10,000 miles per hour and more straight up. The threads unraveled in a straight line aimed at the two metal things floating in emptiness.

Murray Leinster - Space Tug