Joshua Key served in Iraq as a US combat engineer in Iraq in 2003.

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As a combat engineer he was a natural leader, and he is survived by his wife and two daughters.

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Asan Akbar, a combat engineer with the 326th Engineer Battalion of the 101st Airborne, is in custody in connection with the attack.

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As a staff sergeant with the 293rd Combat Engineer Battalion, Lewis landed on the beaches of Normandy on D-Day and had been fighting for nearly a year.

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The young man, a combat engineer who ferrets out and detonates land mines and roadside bombs, originally thought his duty would last nine months, but his tour has been extended to more than a year, his mother, Debra, said.

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But despite his bravery and combat record, he was more of an engineer than a warrior, and a hero who would have dismissed the notion that he was heroic.

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