She took a few more minutes to listen carefully for any signs of inhabitants, and only moved further into the tower when she couldn't sense anything.  Moving forward, her body still a bit weary, although her pace had picked up considerably, she made her way to and up the stairs to reach the very top of the tower.  For a moment she wondered how the others were doing in the plane, but than dismissed such thoughts as an unnecessary distraction, and refocused on the job at hand.  Her watch hadn't gone off just yet, so she she had time; but she didn't want to push it, so quickened her pace.  The door, she assumed, that lead to the control room loomed up ahead.