Because 2 of my engineer drones die if you breathe on them and the 2 attack drones are easily killed if I cannot direct them constantly, which is not a poop and forget task.
[http://forum.star-conflict.com/index.php?/topic/27144-sentry-and-heavy-guard-drone-tweak/](< base_url >/index.php?/topic/27144-sentry-and-heavy-guard-drone-tweak/)