Nuclear proliferation and arms control part 4
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Nuclear Proliferation and Arms Control (Part 4). Arms Control vs. Disarmament. Arms control : Any attempt to limit or regulate the number or the types of weapons that nations can possess. Disarmament : Actions that reduce the existing number of weapons

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Nuclear Proliferation and Arms Control (Part 4)

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Nuclear Proliferation and Arms Control (Part 4)

Arms Control vs. Disarmament

  • Arms control :

    Any attempt to limit or

    regulate the number or

    the types of weapons that

    nations can possess.

  • Disarmament:

    Actions that reduce the

    existing number of weapons

    or that ban certain types of


Bilateral Disarmament(U.S. – Russian Arms Control)

CFR Interactive: U.S. - Russian Arms Control

Strategic Nuclear Weapons

  • Long-range weapons usually

    with destructive power over

    one megaton.

  • Carried on ICBMs, bombers,

    and submarines

Bilateral DisarmamentSTART I and II Treaties (1990s)

(Strategic Arms Reduction


  • First agreements to reduce

    strategic nuclear weapons.

  • Also eliminated all multi-

    warhead missiles (like the




Bilateral Disarmament Moscow Treaty (2002)

Bilateral DisarmamentMoscow Treaty (2002)

(Strategic Offensive Reductions


  • U.S. and Russia agreed to reduce

    their deployed strategic warheads

    by two thirds - to between 1,700

    and 2,200by the end of 2012.

  • Didn’t require the destruction of

    any weapons -- allowed warheads

    to be put in storage instead.

Bilateral DisarmamentNew Start Treaty, 2010

  • Obama and Russian

    President Medvedev

    signed New Start Treaty

    in April, 2010.

CNN Coverage of Treaty


New Start Treaty

Signing Ceremony

CNN Explanation of Treaty

Bilateral DisarmamentProvisions of New Start Treaty

  • Limits U.S. and Russia to

    1,550 strategic warheads

    (30% reduction from the

    current limits).

  • Limits launchers to 800

    sub-based missiles, heavy

    bombers, and ICBMs (50%

    reduction from current


  • Provides for inspections to

    verify compliance.

Senate Debate Over New Start Ratification

Anti- New Start Treaty Commercial

PRO New Start

Interview with H. Clinton and M.Mullin

December, 2010Ratification of New Start

  • Senate voted 71-26 to ratify

    New Start Treaty.

  • Every Democrat and thirteen

    Republicans voted to ratify.

    The 26 no votes were all from


Report on Ratification of New Start Treaty

  • B53 Thermonuclear Bomb

  • Designed to destroy a city

  • 9 megatons

  • 10,000 lbs. Size of minivan

  • 600 x more powerful than

  • Hiroshima A-bomb.

  • Would kill everyone within

  • 10 miles.

  • Would destroy structures

  • within 15 miles.

  • Lethal burns from heat to

  • exposed people within 30

  • miles

  • 340 built during Cold War.

  • Remaining U.S. H-Bombs

  • Largest remaining bomb in

  • U.S. arsenal is B-83

  • 1.2 megatons.

  • 80x more powerful than

  • Hiroshima bomb.

  • Average U.S. warhead today

  • 300 kilotons

  • 24x more powerful than

  • Hiroshima bomb.

B-83 Thermonuclear Bombs

Tactical Nuclear Weapons

  • Short-range weapons designed

    for use on the battlefield.

  • Destructive power ranges from

    0.1 kiloton to 1.0 megatons.

  • Restrictions on tactical nukes?

    None. Not covered by any existing

    arms control treaties.

Tactical Nuclear Weapons

Tactical nuclear weapon test in Nevada

Tactical Nuclear Weapon Test

Review: Bilateral Disarmament

  • What’s the difference between arms control and disarmament?

  • What are strategic nuclear weapons?

  • Why were the START treaties of the 1990s significant?

  • What are the requirements of the 2010 New Start Treaty?

  • Has the U.S. Senate ratified New Start?

  • What are tactical nuclear weapons?

  • What are the existing limitations on tactical nuclear weapons?

Missile Defense

ABM Treaty (1972)

(Anti-Ballistic Missile Treaty)

  • Prohibited U.S. and USSR

    from building national

    missile defense systems.


  • Goal was to maintain


  • Bush withdrew U.S. from

    ABM Treaty in 2001.

Bush’s Missile Defense Plan

  • A limited missile defense

    system to defend U.S. and

    Europe against missiles

    launched by states such as

    North Korea or Iran.

  • Interceptor missiles

    based in Alaska, California,

    ships at sea, and Poland.

  • Interceptors programmed

    to hit and destroy incoming

    missiles in mid-flight.

What two


about missile

defense are

expressed in

this political







does this



Does this





Review: Missile Defense

  • What Cold War treaty prohibited missile defense?

  • Why was missile defense considered to be dangerous?

  • Why did President Bush withdraw the U.S.

    from the ABM Treaty?

  • Explain how the missile defense system deployed by Bush is designed to work.

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