Watch: Army Expert On How Ukraine Will Maintain Tanks

Training on tanks and then maintaining and operating them will be key for Ukraine.

There appears to be more speed in the war all the time however and this goes into it from a former Pentagon expert:

Speed kills.

In war this is appropriate for Ukraine to defend their nations saving as much lives as possible in big picture.

Preventing World War III. Through justice peace by defending their nation from invaders who caused the war to be global in many aspects.