The Air Force's fiscal year 2021 budget makes major changes to the service's fleet of remotely piloted aircraft -- ending purchases of MQ-9 Reapers and retiring more than two-thirds of its RQ-4 Global Hawk fleet. The justification documents state that MQ-9 aircraft procurement will conclude in FY-20. The Air Force is requesting $172 million in its FY-21 budget proposal, which will be used to fund MQ-9 production line shutdown activities, aircrew training equipment, primary satellite link hardware for the MQ-1...