The Pentagon failed its fifth audit in November after the agency could not prove expenditures for 61% of its $3.5 trillion in assets. To perform this year's overall audit of the DOD, which was expected to cost $218 million, the agency aggregated 27 separate audits conducted by approximately 1,600 auditors. According to Military.com, the auditors performed 220 in-person site visits and 750 virtual site visits.The GAO's study reported that auditors first alerted the DOD in 2001 that the agency failed to keep track of its government-furnished property.