Recognising friend from foe.

This article discusses the need for militaries to change its culture of blame in order to avoid friendly fire accidents. There is no dispute that high-tech equipment can foster friendly fire accidents. The American and British forces in Iraq use thermal or radar images to engage the enemy at maximum range in limited visibility, says Scott Snook, former head of the Center for Leadership & Organizations at the West Point military academy in New York. Several new rules and steps are taken by the military to avoid such friendly fire accidents, but to no avail. INSET: DEATH IN THE SKIES.