You are most likely talking about the radar, which scans and alerts the people on the submarine of other submarines, missiles, etc. nearby.
It says he wiped his brow, which basically means he wiped his forehead. It sounds like he was running ("had kept a pace or two ahead"). What is wet, and you get while working out? Hint: not rain
For an hour on Saturday, joe worked, Fay played.
<h3>hes right it's <em>D. Threatening</em> just got it right on APEX.... </h3>