Reaction Engines was founded in 1989 by Alan Bond (lead engineer on the British Interplanetary Society's Project Daedalus) and Richard Varvill and John Scott-Scott (the two principal Rolls-Royce engineers from the RB545 engine project).
Reaction Engines wurde 1989 von Alan Bond (Leitender Ingenieur des Projekt Daedalus der British Interplanetary Society), Richard Varvill und John Scott-Scott (beide Rolls-Royce-Chefingenieure des RB545-Projekts) gegründet.