It is a deterrence capability that can quickly reposition to protect other satellites in space. As to the actual payload of what it does in these situations, th

It is a deterrence capability that can quickly reposition to protect other satellites in space. As to the actual payload of what it does in these situations, that is the closely guarded secret. Other countries have deployed counter-satellite capabilities (the most interesting is the Chinese one that grabs and flings other objects out of orbit), so this is our counter-counter-satellite capability.