Something I have had a problem with, and I've only seen this once, but It was quite the pain in the backside. The AI commander and I spawned in the same area, and both of us proceeded to start building. Soon enough both our commanders were locked in combat, however his buildings continued to build while the commander itself was firing at mine. My buildings stopped building when my commander turned to shoot his, however his didn't. This was last build when I played three days ago, I don't know if this has been fixed but I figured I should impart this funny occurrence.