JGSDF

The Japan Ground Self-Defense Force (JGSDF; Japanese: 陸上自衛隊; Rikujō Jieitai), is the main branch of the Japan Self-Defense Forces responsible for land-based military operations. It is the de facto army of Japan. The JGSDF was created on July 1, 1954. It is sometimes also referred to simply as the "SDF"

In gate jieitai kanochi nite kaku tatakaeri.
Seen in the first episode responding to the Ginza attack,the JGSDF (most likely from the Eastern Army garrison from Camp Nerima) deployed Type 96 APCs,Komatsu LAVs,AH-1S Cobra Attack Heilcopters as well as regular ground troops armed with what can be seen as Howa Type 89s and Minimi light machine guns.