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Typhoon submarines, each with 20 SS-N-20 missiles carrying five warheads apiece (downloaded from 10); and nine Delta III submarines, each armed with 16 SS-N-18 missiles carrying three warheads apiece (downloaded from seven).

Bombers: The table assumes that the United States will deploy 75 B-2s, as the Bush administration has proposed, with 16 bombs and short-range attack missiles (SRAMs) each; 96 B-1Bs with 16 bombs and SRAMs each; and 95 B-52Hs with 20 air-launched cruise missiles (ALCMs) each. Fifteen operational B-2 bombers have already been authorized through fiscal year 1991. If the United States were to stop deployment at 15 B-2s, the number of its bomber weapons would be about 1,000 less.

For the Soviet Union, the chart assumes 130 Bear-Hs with 10 ALCMs each and 60 Blackjacks with 16 bombs and SRAMs each. The START limits will give the Soviet Union the flexibility to deploy more Blackjack bombers than the 60 assumed in the chart, a number based on recently reported U.S. intelligence estimates.

Bomber loading estimates for both sides are based on aircraft carriage capabilities and operational requirements. Actual operational loadings may differ from the assumptions used here. Both sides will be permitted to exempt 75 existing heavy bombers that have been converted to nonnuclear missions from the limit of 1,600 strategic nuclear delivery vehicles.

SLCMs: Through fiscal year 1991, Congress has appropriated funding for 399 nuclear SLCMs. The Navy currently plans to deploy a total of 637 nuclear SLCMs by the mid-1990s, but this number may be reduced due to budgetary constraints. The Navy also has a new “stealthy” SLCM under development called “Excalibur,” which may be armed with a nuclear warhead.

Reportedly, roughly 100 Soviet long-range SS-N-21 SLCMs have been deployed, while the supersonic SS-NX-24 SLCM may remain in development. The Soviet Union also has 600-800 nuclear-armed antiship SLCMs with a range of 300-600 kilometers. These will not be limited by START, but will be subject to a confidential data exchange.

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