A military dimension to the use of space has existed since the earliest day
s of space activity. Historically, military space policy has been somewhat
peripheral, but the ever increasing use of space in support of military obj
ectives has now driven it into the mainstream of military planning. This ha
s resulted in new consideration being given, particularly in the USA, to th
e organisation of space for national security and also raised the question
as to whether national security interests demand space superiority and domi
nance. (C) 2000 Published by Elsevier Science Ltd.