noun
US Army, Japan
Refers specifically to the United States Army component stationed in Japan, often used in news or official contexts.
在日米陸軍の基地が沖縄にある。
There is a US Army base in Okinawa.
在日米軍 is the broader term for all US forces in Japan, while 在日米陸軍 specifies the Army branch.
Compound of 在日 (ざいにち, 'stationed in Japan'), 米 (べい, 'America'), and 陸軍 (りくぐん, 'army').