Answer:
to explore military uses of space
to increase their prestige
Explanation:
Super powers are states that have achieved to be in the hegemony.
This is a prestigious title that none of them wants to loose.
Monopoly over violence has to be maintained by this powered, hence, they are always on the run to increase their military strength, this is one of the reasons for space exploration.
Through space exploration also, they would maintain their prestige and ego as superpowers.
