米べい海かい軍ぐん

べ

い

か

い

ぐ

ん

Meanings

1

noun

US Navy; United States Navy

Refers specifically to the naval branch of the United States military. Often used in news and formal contexts.

rice, USA, metre

海sea, ocean

軍army, force, troops

米べい軍ぐん
米軍 is a broader term for the US military as a whole, while 米海軍 specifies the naval branch.
海かい軍ぐん
海軍 means 'navy' in general; 米海軍 explicitly refers to the US Navy.

Compound of 米 (べい, 'America') and 海軍 (かいぐん, 'navy').