 In 2011, the Indian Air Force announced that modafinil was included in contingency plans.In the United States military, modafinil has been approved for use on certain Air Force missions, and it is being investigated for other uses.As of November 2012, modafinil is the only drug approved by the Air Force as a "go pill" for fatigue management (replacing prior use of amphetamine-based medications such as dextroamphetamine).