noun
military secret; classified military information
Refers to confidential military plans, documents, or information. Often used in contexts of national security or espionage.
軍機が漏洩した疑いで捜査が行われた。
An investigation was conducted on suspicion of leaking military secrets.
軍機保護法に違反する行為は厳しく罰せられる
Acts violating the Military Secrets Protection Act are severely punished.
noun
military aircraft
A less common, somewhat dated term for military aircraft. Modern usage tends to prefer 軍用機 (ぐんようき).
旧日本軍の軍機が展示されている。
Military aircraft of the former Japanese army are on display.
Compound of 軍 (ぐん, 'military') and 機 (き, 'machine' or 'secret'). The 'military secret' sense derives from the meaning 'secret' of 機, while the 'military aircraft' sense derives from the abbreviation of 軍用機 (ぐんようき).