150 more full-body scanners to go in U.S. airports

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Washington (CNN) — One hundred and fifty new full-body scanning machines are set to be placed in airports across the United States as federal authorities work to close security loopholes exposed by the attempted Christmas Day bombing of a U.S.-bound airliner.

The Transportation Security Administration ordered the scanners before the bombing attempt for up to $170,000 apiece. Plans are also in place to purchase an additional 300 units by 2012, TSA officials said.

Forty body scanners are currently in use at 19 U.S. airports. Use of the technology — considered overly invasive by critics — is optional, according to the TSA Web site. Passengers who opt out of the screening receive an alternate form of checking, which includes a pat-down procedure.

Full Story: http://www.cnn.com/2009/TRAVEL/12/31/airport.body.scanners/index.html