His lithe body cut the surface with hardly a splash, and he shot into the cool green depths from his twenty foot dive with eyes wide open. To right and to left dark blurs of the vessels’ hulls shadowed the translucent green. No other objects met his searching gaze, so using a powerful breast stroke, he forged further downward. All at once he saw something grayish white below. His lungs were bursting with lack of air and the heavy water pressure at this depth. It grew icy cold, but he continued to strain onward, backing his muscles with an indomitable force of will.