Just saw this and am I the only one...?
The only one who thinks the Doctor and LT. getting a little too close was unescessary? It felt like an after thought, just to throw in some romance. But back to the Doctor, she basically compromised their mission by refusing leaving without the people she treated, she wanted to take breaks when they were behind schedule (which the bad guys got closer and closer).
The LT. let his conscious get the best of him thus risking his entire team and getting half of them killed and leaving those alive and himself injured. Not to mention some of refugees they were protecting got killed by the RPG attack.