Multple objectives. Leave a Iskra / MRE and a bottle of water on top of each watchtower (“8 turrets”, “hole in the fence” excluded), 1 point for each tower. Activate the alarm, and escape through the Bunker, 1 point. Objectives count toward the score only if completed in the same raid. To get the Master all 3 squad members must get the SURVIVED status and accomplish all the objectives in the same raid.