Dedication
This book is dedicated to the myriad of workers—military, civilian, and contractors—who have labored for decades to create a defense against missile attacks, be they from superpowers or rogue states and rogue actors. These great and brilliant people have fought through constant political whirlwinds and upheavals in their program funding and job security but they have continued to press forward with technologies that someday might prove to be the shield a free world needs to protect itself from madmen. Keep up the good work, folks.