Armor school is keeping the close fight in its aperture

https://www.armytimes.com/news/your-army/2021/10/11/armor-school-is-keeping-the-close-fight-in-its-aperture/

Armor school students get new formations and new adversaries.

https://peterholland765.wordpress.com/2021/10/11/armor-school-is-keeping-the-close-fight-in-its-aperture/