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That speed, and its use of multiple independently targetable reentry vehicles, a technology known as MIRV, to deliver its warheads makes it far more difficult to detect and intercept.

Analysts have said the DF-41, flying at 25 times the speed of sound, might be able to reach the United States in 30 minutes with up to 10 warheads for separate targets — a technology known as MIRV, or multiple independently targetable re-entry vehicles.

Analysts say the DF-41, flying at 25 times the speed of sound, might be able to reach the United States in 30 minutes with up to 10 warheads for separate targets - a technology known as MIRV, or multiple independently targetable re-entry vehicles.

Analysts say the DF-41, flying at 25 times the speed of sound, might be able to reach the United States in 30 minutes with up to 10 warheads for separate targets — a technology known as MIRV, or multiple independently targetable re-entry vehicles.

Details of the DF-41 are not known, but the missile could be outfitted with as many as 10 multiple-independently targetable reentry vehicles, or MIRV, warheads, representing a significant jump in the number of Chinese strategic warheads.