The Air Force has increased its estimate on the percentage of flying hours that may need to be cut in order to offset the pressure of sequestration. Air Force Secretary Michael Donley and Air Force Chief of Staff Gen. Mark Welsh, in a Jan. 7 memo to Deputy Defense Secretary Ashton Carter, initially said that flying hours would need to be reduced by as much as 18 percent if sequestration takes effect in March. A service spokeswoman told Inside the...