Number of years the DOD has failed to satisfy a 1993 Congress mandate that all federal agencies be audited: 35.
Amount of military spending that could not be account for as of 2016: $6.5 trillion.
Source: Pentagon’s Sloppy Bookkeeping Means $6.5 Trillion Can’t Pass an Audit, The Fiscal Times, 2016.
Amount of military spending worldwide in 2016: $1.5 trillion.
Source. Forecast International: Recapping Global Defense Spending for 2017, Eyeing Future Growth, Forecast International, 2018.