noun
defense spending; defense outlay
Formal term used in economic and policy contexts, referring to government expenditure on national defense.
政府は来年度の国防支出を増やす方針だ。
The government plans to increase defense spending next fiscal year.
軍事費 is a broader term for military expenditures, while 国防支出 specifically refers to defense outlays in a national budget context.
Compound of 国防 (national defense) and 支出 (expenditure).