John Nagl still hesitates when he talks about his decision to leave the Army.

说到自己为什么离开陆军的时候约翰·纳格还是那么彷徨。

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Now, Lieutenant Colonel Nagl is in charge of the new Army program to train the trainers.

NPR: U.S. Turns More Attention to Training Iraqi Forces

My baby brother, Sergeant Mark Nagl, has been in for three years and was back on mid-tour leave in July.

NPR: U.S. Turns More Attention to Training Iraqi Forces

For our series of conversations this week about Iraq and the U.S. military, we've reached Lieutenant Colonel John Nagl at Fort Riley, Kansas.

NPR: U.S. Turns More Attention to Training Iraqi Forces