1. The deterrent The Trident D–5 is a solid propellant submarine launched ballistic missile (SLBM) developed by the US in the late 1'60s.

2. The following terms are used in the document: ICBM –– Intercontinental Ballistic Missile Throw–weight –– a missile‘s lifting power SLBM –– Submarine launched ballistic missile ALCM –– Air–launched Cruise Missile MT –– Metric Tons RSM–56 –– a Russian SLBM training model MOU –– Memorandum of Understanding MM–II –– Minuteman II missile MM–III Minuteman III missile PK: Peacekeeper missile (begin fact sheet) Fact Sheet Bureau of Verification, Compliance, and Implementation Washington, DC April 1, 2006 START Aggregate Numbers of Strategic Offensive Arms http://www.adobe.com/products/acrobat/readstep2.html [As of January 1, 2006, as compiled from individual data submissions of the Parties] The data in this fact sheet comes from the most recent aggregate MOU [Memorandum of Understanding] data exchanged by the Parties no later than 30 days after the expiration of each six–month period following entry into force of the START Treaty.