Direct answer
Treat the first open tactical mission as a readiness check: build a legal squad, inspect the objective panel, and enter with enough actions left to respond when the first group activates.
How to use this page
Public sources establish the tutorial-to-open-mission transition but do not publish a stable tile-by-tile solution. The useful guide is preparation and objective reading, not an invented map.
What is verified
- Check ammunition, armour and medical coverage before launch.
- Spread enough to avoid one explosion without breaking mutual support.
- Use overwatch only when its cone covers an expected route.
- Save optional exploration until the mandatory objective is secure.
Sources and verification
Official facts are separated from developer estimates and unverified community claims.
Official media reference