Defense News:

The U.S. and Japan are exploring a partnership to develop a hypersonic missile defense capability as the Pentagon enters the early stages of a program to develop an interceptor capable of neutralizing hypersonic threats in the glide phase of flight.

Vice Adm. Jon Hill, who leads the U.S. Missile Defense Agency, confirmed last week that the organization is considering cooperation with Japan to work on the Glide Phase Interceptor, or GPI, one of the agency’s top priorities.

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