Ukraine's National Guard explains step-by-step creation of Offensive Guard
Українська правда
As part of the formation of the Offensive Guard units, the National Guard brigades will first be manned and then deployed to one of the training grounds, where their training will begin.
Source: press service of Ukraine's National Guard, citing Colonel Artem Illiukhin, Commander of the Rubizh (Frontier) 4th Rapid Reaction Brigade of the National Guard.
https://www.pravda.com.ua/eng/news/2023/02/10/7388838/
Source: pravda.com.ua