Translation guide
Refers to the U.S. Department of Defense headquarters. In Japanese, it is usually expressed by the loanword ペンタゴン or the descriptive phrase アメリカ国防総省.
Referring to the building or the institution
The most common way to refer to the Pentagon in Japanese, used in news and conversation.
ペンタゴン is widely understood and used in everyday Japanese. アメリカ国防総省 is more precise and formal, suitable for official documents or when distinguishing from other countries' defense departments.
They said 'Pentagon' on the news.
The Pentagon announced a new defense strategy.
A more formal, descriptive term. Often used in official contexts or when clarity is needed.
The U.S. Department of Defense is requesting a budget increase.
Abbreviated form using 米 for 'U.S.' Common in news headlines.
A senior Pentagon official visited Japan.