Another step in cleaning up Hanford nuclear weapon reactors was marked this week with the demolition of a security guard tower at the N Reactor.

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Another step in cleaning up Hanford nuclear weapon reactors was marked this week with the demolition of a security guard tower at the N Reactor.

The tower had steel plating and inch-thick bullet-resistant glass. Two former guards who watched the tower come down Wednesday recalled they enjoyed the scenery and seeing elk swim across the Columbia River.

KNDO reports ( http://is.gd/ksYzmc) the N Reactor is the last of nine Hanford reactors that produced plutonium. It operated from 1963 to 1987 and was decommissioned in 1980 at the end of the Cold War.

The N Reactor was the only Hanford reactor to also generate electricity. It is now 95 percent cocooned.

Information from: KNDO-TV, http://www.kndo.com/