After test failures with the first three flight tests because of guidance and sensor problems, the DOD reported that the fourth and final test on June 10, 1984, was successful, intercepting the Minuteman RV with a closing speed of about at an altitude of more than .
After test failures with the first three flight tests because of guidance and sensor problems, the DOD reported that the fourth and final test on June 10, 1984, was successful, intercepting the Minuteman RV with a closing speed of about at an altitude of more than 