Trident II Or D 5 Missile

Undated File Photo: A Trident Ii, Or D-5 Missile, Is Launched From An Ohio-Class Submarine In This Undated File Photo. According To A Congressional Report To Be Released May 25, 1999, China Stole U.S. Nuclear Weapons Design Secrets Over 20 Years Through Espionage At Government Laboratories And Will Use The Information To Upgrade Its Own Arsenal. Among The Information Reported To Have Been Stolen, Was Details Of The W-88 Nuclear Warhead, Which Is Carried On The Trident Submarine And Described In The Report As "The Most Sophisticated Nuclear Weapon The United States Has Ever Built." (Photo By Getty Images)