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This photograph taken July 25, 2011 shows US Army Sergeant Nathan Arriaga (L) of the US Forces Afghanistan K-9 unit, walking with Zzarr, a 6-year old Dutch Shepherd at the Forward Operating Base Walton,  on patrol mission with 1st Battalion 67th Armoured Regiment, Task Force Dealers in the Arghandab district. Zzarr who has a rank of Staff Sergeant is a military working dog trained to detect bombs and improvised explosive devices (IED) and currently deployed in southern Afghanistan saving lives of coalition forces in its war against Taliban insurgents. Both Zzarr and K-9 handler Sgt. Arriaga did their first combat duty in Iraq in 2009. AFP PHOTO / ROMEO GACAD (Photo credit should read ROMEO GACAD/AFP/Getty Images)
This photograph taken July 25, 2011 shows US Army Sergeant Nathan Arriaga (L) of the US Forces Afghanistan K-9 unit, walking with Zzarr, a 6-year old Dutch Shepherd at the Forward Operating Base Walton,  on patrol mission with 1st Battalion 67th Armoured Regiment, Task Force Dealers in the Arghandab district. Zzarr who has a rank of Staff Sergeant is a military working dog trained to detect bombs and improvised explosive devices (IED) and currently deployed in southern Afghanistan saving lives of coalition forces in its war against Taliban insurgents. Both Zzarr and K-9 handler Sgt. Arriaga did their first combat duty in Iraq in 2009. AFP PHOTO / ROMEO GACAD (Photo credit should read ROMEO GACAD/AFP/Getty Images)

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Iraq, Afghanistan War Commission?

Could an Iraq, Afghanistan War Commission better prepare the U.S. for future conflicts? Lt. Gen. Daniel Bolger says yes.

Iraq, Afghanistan War Commission?

Could an Iraq, Afghanistan War Commission better prepare the U.S. for future conflicts? Lt. Gen. Daniel Bolger says yes.