3 ms·That sounds a bit dangerous to the lay person...by caseymarquis 9y agoThat sounds a bit dangerous to the lay person...adrianN 9y agoAnything that makes a good propulsion system for a space ship is a bit dangerous.Mystrl 9y agoCan't remember where this quote is from but: A reaction drive's efficiency as a weapon is in direct proportion to its efficiency as a drive.