the US wants to have 44 missile interceptors U.S. missile defense programs https://www.armscontrol.org/factsheets/usmissiledefense U.S. missile defense programs Ground-based Midcourse Defense system Ground-based Midcourse Defense system U.S. Missile Defense Programs Ballistic Missile Defence missile defense programs U.S. missile defense programs according to the Arms Control Association U.S. missile defense programs over $180 billion IIA under development by the United States and Japan U.S. missile defenses over $180 billion U.S. missile defense programs US Missile Defense Programs at a Glance according to the Arms Control Association Ground-based Midcourse Defense system Ground-based Midcourse Defense system U.S. missile defenses https://www.armscontrol.org/factsheets/usmissiledefense U.S. missile defense programs U.S. missile defense programs over $180 billion U.S. missile defenses U.S. missile defenses US Missile Defense Programs at a Glance US Missile Defense Programs at a Glance over $180 billion $180 billion over $180 billion US Missile Defense Programs at a Glance Ground-based Midcourse Defense system