Army Pentagon personnel remember 9/11
fter 15 years, the number of those injured on 9/11 and still working in the Pentagon is dwindling.

Lt. Col. Brian Birdwell, who suffered third-degree burns on over 60 percent of his body, is now a state senator in Granbury, Texas.

Sgt. 1st Class Chris Braman, who pulled numerous casualties out of the Pentagon's smoldering embers, is now retired in California. Doctors have told him that his lungs, which were damaged by the toxic smoke on 9/11, would do better in the low humidity out west.

"Most people I know have either retired or gone on," said Carl Mahnken.

Mahnken is one of those deeply affected by 9/11 and still working in the building.

At 9:37 a.m. on Sept. 11, 2001, Mahnken was blown backward in his chair after American Airlines Flight 77 hit the side of the Pentagon just down the hall from where he sat at his computer.

"I got thrown directly backward," he said. Then his computer monitor landed on his head, causing a contusion about the size of a golf ball.

"It happened real quick, in the blink of an eye -- it happened that quick," he said.
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