But the U.S. officials focused mainly on a deadlier version of the improvised explosive device: the explosively formed penetrator.
In October, just a month before King was to return home, he was killed by an improvised explosive device.
Mr McBean lost an arm and a leg after he stepped on an Improvised Explosive Device in Afghanistan in 2007.
He deployed to Iraq, and was serving his second tour when his unit was struck by an improvised explosive device.
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Russia's Federal Security Service said an improvised explosive device, which unknown bombers placed beneath the railroad bed, caused Friday's derailment.
Ranger Aaron McCormick, 22, from Macosquin in County Londonderry was killed by an improvised explosive device (IED) in November last year.
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Paul Maguire admitted the unlawful possession of an improvised explosive device with intent to endanger life or cause serious injury to property.
The newspaper said an undercover TSA inspector brought a mock improvised explosive device stashed in his pants through two layers of security last month.
Officers found an "improvised explosive device" at the scene, which led to the evacuation of nearby properties until army bomb disposal experts made it safe.
In December 2012, German police discovered a crude improvised explosive device placed in a bag on a platform at the main railway station in Bonn.
The soldiers who were killed on Thursday had left their Warrior armoured vehicle in the south-east of Basra when an improvised explosive device was detonated.
Theo was searching a crossroads in the Nad el Ali South district and detected an improvised explosive device which, if detonated, could have killed many soldiers and civilians.
The 23-year-old was badly injured as he stood on an improvised explosive device (IED) as he patrolled with his Royal Irish Regiment colleagues in Helmand province.
Six years ago, Sergeant Wade was serving in the 82nd Airborne Division in Iraq when his Humvee was struck by an IED, an improvised explosive device.
Guardsman David Watson, who is being treated in Birmingham for injuries caused by an improvised explosive device in Afghanistan three years ago, described the announcement as "fantastic".
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Lt Chesterman, a Platoon Commander in C Company, was commanding a patrol convoy in the Nad-e Ali district when the lead vehicle struck an improvised explosive device.
In a statement, the MoD said Sgt Davidson had been on patrol when the vehicle he was travelling in hit an improvised explosive device, which fatally wounded him.
Sgt Acarnley, from Riding Mill, a bomb disposal officer with 11 EOD Regiment The Royal Logistics Corps, was called when a Danish vehicle hit an improvised explosive device in June.
Cpl Boggi, 26, of 9 Parachute Squadron Royal Engineers, lost both his legs and his right arm stepping on an improvised explosive device (IED) on New Year's Eve 2010 in Afghanistan.
U.S. forces are dealing with an adaptive, innovative and flexible enemy, according to the Joint Improvised Explosive Device Defeat Organization, or JIEDDO, which is leading the counter-IED effort for the military.
The inquest heard that Pte Hunt was driving one of the Warriors, a task he disliked but did without complaining, towards Musa Qala, Helmand, when it hit an improvised explosive device (IED).
This may be a factor in the reduction in the number of overall improvised explosive device attacks in recent months, which, as this chart shows, has declined sharply by about one third since June.
In previous tours in 2009, the battalion lost Lance Corporal Chris Harkett when he was killed by an improvised explosive device (IED) as he provided covering fire on a Taliban stronghold near Musa Qala.
Sapper Clive Smith, 26, from Hednesford, Staffordshire, was injured when he stood on an Improvised Explosive Device (IED) while on duty with the 33 Engineer Regiment in the Nahr-e Saraj district of Helmand in 2010.
The Ministry of Defence said the soldiers were part of a patrol travelling along Route 611 between Forward Operating Base Ouellette and Patrol Base Lashkar Gah Durai in Nahr-e-Saraj when their vehicle was hit by an improvised explosive device.
The following year he spoke about how he survived after the vehicle he was in was hit by an improvised explosive device or IED, with the force of the blast snapping a couple of the machine guns in half.
He said the paratrooper was part of a patrol sent to recover kit after a soldier lost his legs when he triggered an IED (improvised explosive device), while the patrol looked for the kit another IED went off, seriously injuring a second soldier.
"We had a situation (on Friday) where the police officer realised people were at the back of his house, there was an incident where he fired the shots and then the next day the improvised explosive device was found by police in the follow-up search, " he said.
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