Raytheon Missiles and Defense, Tucson, Arizona, is being awarded a firm-fixed-price other transaction prototype award with a total value of $20,968,584 through the Missile Defense Agency’s authority under 10 U.S. Code § 2371b. This prototype award was competitively solicited through the Enhanced Hypersonic Defense Broad Agency Announcement with Glide Phase Interceptor Special Topic, HQ0851-21-S-0001. Under this award, the performer will further develop and refine their concept. The work will be performed in Tucson, Arizona; and Huntsville, Alabama, with an estimated completion date of September 2022. Research, development, test and evaluation funds in the amount of $8,000,000 are being obligated at the time of award. Missile Defense Agency, Dahlgren, Virginia, is the contracting activity (HQ0851-22-9-0003).