21 December 2010 .   ^ "Defense Budget, Fiscal Year 2011" (PDF) . http://comptroller.defense.gov/defbudget/fy2011/FY2011_Budget_Request_Overview_Book.pdf . Retrieved 21 December 2010 .   ^ For example, a lieutenant general in the Army is equivalent to a vice admiral in that Navy since they both carry a paygrade of O-9. ^ a b "Department of