Canada/UK and the USA should spend more time working on Co-ordination and communications. This pilot acted on visual ground fire, but with no appreciation of how close it was to friendly forces. In all honesty he/she thought it was directed at aircraft and was therefore a legitimate target. Please dont condem them, it is the consequence of a modern war with the Nintendo generation using equipment. Prevention can be expressed by the following words...Practice at home and in field...Communicate, Communicate and Co-ordinate.....