The Afghan air force is unable to conduct casualty evacuations from the battlefield or medical evacuations that provide advanced care during transport to treat the several hundred Afghan troops who are wounded on the battlefield each month. (Kristina Wong/The Washington Times)
**FILE** A U.S. donated helicopter flies around after it was donated to Afghan air force in Shindand district of Herat province, west of Kabul, Afghanistan, on Dec. 10, 2011. (Associated Press)