The sensitivity of religion in this part of the world cannot be over-emphasised. This kind of video footage can and no doubt will be used by Taliban propagandists to undermine the Karzai government. This could well threaten the security of our own troops.
The US army has some explaining to do. So does Kevin Rudd.
The text accompanying the video is reproduced below.
US soldiers in Afghanistan have been filmed with local language Bibles and urged to be "witnesses for Jesus" despite anti-proselytising rules. Al Jazeera's James Bays reports.