what's it mean?

Boys at war

The caption which accompanies this photo from the current Yahoo News slideshow reads:

Two US soldiers from the 2nd Battalion of the 173 Airborne Brigade take position next a group of Iraqi youths during a massive raid in Hawijah, 45 kilometres (nearly 30 miles) west of Iraq's northern oil center of Kirkuk.(AFP/Mauricio Lima)

[from the look of it, in this case the photographer probably agreed with the Iraqi youths' estimate of the danger]