Last time I played Colonial Marines was in the peak of facehugger combat, where slapping a facehugger on a marine's face was the most optimal method of winning a fight. As a byproduct, captures were common enough that Xenos didn't rely on burrowed larvae to buffer their number. Now, the only castes that I know of that are capable of placing a facehugger on a marine are drones, Queens, and carriers, the former two scarcely seen on the frontlines, and the latter one all too rare to make a significant difference in capturing hosts. Taking the host directly to them is further made difficult by the fact only warriors are truly capable of making a successful capture without the aid of other Xenos, with a capture otherwise requiring a full circle ofXenos disarming and a runner devouring in order to pull off.
What, then, is the best method of incentivising captures? It's far easier to kill marines and have them respawn as burrowed than it is to actively capture foes, which is a dangerous crutch for Xenos to rely on. Yelling "capture, don't kill!" does little to change this, so what's a possible gameplay mechanic that could be adjusted or introduced to help alleviate this problem?