An entry in the Nov. 10 column incorrectly stated the number of airstrikes the United States has conducted against ISIS targets in Iraq and Syria. The number is 6,257. Coalition forces other than the US have conducted 1,735. We have corrected the entry here.
As Air Force leaders consider concepts of operations for Collaborative Combat Aircraft, sustainment in the field—and easing that support by using standard parts and limiting variants—should be a key consideration, according to a new study from AFA's Mitchell Institute of Aerospace Studies.