Tucker swims over, he grew up around the beach, even volunteering as a lifeguard one summer, and knew what to do with a person drowning, he wraps an arm around Nathan's chest so he couldn't pull him down before shaking him roughly. "SNAP OUT OF IT!!!"
Nathan jerks, his eyes focusing all of a sudden at what was going on. "T-Tucker...?" He whispers, focusing.
"Nathan... Float on your back... Strip of the armor and just float... You'll be fine... Breathe slowly, you can't drown on your back." Tucker says softly, helping him do so as Nathan tries to strip of his armor. "Donut... Do the same, you can't do much with your hands cuffed..."