The leaked cockpit video at the centre of a row over the “friendly fire” death of a British soldier could be shown at his inquest.
The material, obtained by Britain’s The Sun newspaper, is said to show US aircraft mistakenly attacking a British convoy
Now the investigating coroner says this new footage will be welcome in court when the case resume on March 12.
The US military allegedly gave the video to Britain but refused to allow it to be shown in public, saying it might contain security secrets.
The British government said it could not release it without US permission.
Lance Corporal Matty Hull was killed during the second week of the invasion that toppled Saddem Hussein.
Britain’s Foreign Secretary, Margaret Beckett, says London and Washington are both keen to know exactly what happened.
Matty Hull’s widow says she is relieved the tape has finally been made public. The family claim they were told it did not exist.