I thought you might be interested in looking at Units Are In Combat Mode On Mission Start Since 1.40?.
https://forums.bohemia.net/forums/topic/179417-units-are-in-combat-mode-on-mission-start-since-140/?do=findComment&comment=2824077
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.