Yahoo Italia Ricerca nel Web

Risultati di ricerca

  1. The Missile Defense Agency (MDA) is a component of the United States government's Department of Defense responsible for developing a comprehensive defense against ballistic missiles.

  2. La Missile Defense Agency ("Agenzia di Difesa Missilistica", MDA) è una branca del Dipartimento della difesa degli Stati Uniti d'America responsabile per lo sviluppo di una difesa multilivello contro missili balistici.

    • Background
    • Description
    • Program Costs
    • Flight Tests
    • Estimated Effectiveness
    • See Also
    • External Links

    GMD after its renaming in 2002 remains a limited defense system, intended to protect the continental United States from limited launches of ballistic missiles.Examples given in the past have included countries such as North Korea. GMD has undergone some controversy over its operational lifetime, such as with a study in 2000 by the Union of Concerne...

    GMD is tied into existing United States missile warning infrastructure, as well as purpose built RADAR sites. It also encompasses 44 ground-based missile interceptors housed at two military bases. Boeing Defense, Space & Security is the prime contractor of the program, tasked to oversee and integrate systems from other major defense sub-contractors...

    Expenditures on the Ground-Based Midcourse Defense program were estimated to be US$30.7 billion by 2007.In 2013, it was estimated that the program would cost $40.926 billion from inception through fiscal year 2017; in 2013–17 spending was to total $4,457.8M, an average of $892M per year.

    BV: Booster Verification Test
    CMCM: Critical Measurements and Countermeasures
    CTV: Control Test Vehicle
    FTG: Flight Test Ground-Based Interceptor
    FTX: Flight Test Other
    IFT: Integrated Flight Test

    The system has a "single shot probability of kill" of its interceptors calculated at 56%, with the total probability of intercepting a single target, if four interceptors are launched, at 97%.Each interceptor costs approximately $75 million.

  3. The Missile Defense Agency's (MDA) mission is to develop and deploy a layered Missile Defense System to defend the United States, its deployed forces, allies, and friends from missile attacks in all phases of flight.

  4. The Missile Defense Agency — an agency of the United States Department of Defense.

  5. National missile defense (NMD) refers to the nationwide antimissile program the United States has had under development since the 1990s. After the renaming in 2002, the term now refers to the entire program, not just the ground-based interceptors and associated facilities.

  6. The Ballistic Missile Defense Organization (BMDO) was an agency of the United States Department of Defense that began on 20 May 1974 with the responsibility for all U.S. ballistic missile defense efforts. It was renamed the Missile Defense Agency in 2002.