“GAO-15-342SP DEFENSE ACQUISITIONS Assessments of Selected Weapon Programs”. US Government Accountability Office. pp. 117–8 (March 2015). 15 July 2015閲覧。$1726.1m remains to be spent on procurement with 96 airframes to be acquired which will all be MQ-8C, the total budget mixes in cheaper MQ-8B's.
