
The director of the Missile Defense Agency (MDA) this week confirmed the Defense Department is exploring cooperatively developing and producing hypersonic defense missiles, akin to their shared work on the Standard Missile(SM)-3 Block IIA. “We're using the same model for our cooperation with Japan as we use with the SM-3 Block IIA program, which was a cooperative development with Japan. So the easy way to go with Japan is to offer up propulsion stacks, because they build the second stage…