He failed to follow policy when he was involved in a collision while driving his force-owned vehicle in March 2009, by allegedly not reporting the incident or ensuring it was investigated.

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Immediately after the collision, a constant braking force of magnitude 250 N is applied to C.

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The most noteworthy incident of the day occurred when British driver James Rossiter was involved in an accidental collision with one of his Force India mechanics, who thankfully escaped any serious injuries.

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But the first officer, still believing that the object in the sky above him was the cargo plane, initiated a dive to avoid the perceived imminent collision -- sending the jetliner toward the Air Force plane.

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Det Sup Mike Courtiour of Avon and Somerset Police described the collision as "one of the worst in living memory" and said the force's investigation was "meticulous and complex".

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At the time, top Air Force officials said the U.S. had the capability of closely tracking and issuing pre-collision warnings for only a couple of hundred pieces of orbiting debris.

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