Exercise can help 'combat' the effects of stress.
They have been 'combating' the rebels for months.
Some of these soldiers have never seen 'combat'.
(..) - Gather 'round. Squad , you're my unit. Lieutenant Jackson is my second-in-command. Each one of you is elite in some form of combat. But we are a non-combat unit. So we'll be following days behind the front-line troops. You're to be the onscreen faces of the invasion. (..)2015 The Hunger Games: Mockingjay - Part 2
(..) to your squad. This is second lieutenant Mitchell, best sharpshooter in Panem. These are the Leeg sisters. First combat division. And this is corporal homes. Finnick? - Are you with us? - Looks like it. That was a short honeymoon. (..)2015 The Hunger Games: Mockingjay - Part 2