Due to the inability to quickly ascend while underwater due to the possibility for nitrogen bubble buildup in the bloodstream, deep sea diving is a dangerous activity, with little recourse for a diver who runs out of oxygen mid-dive.

There's an opportunity to create a drone that seeks out a diver in peril underwater, and inspired by airplanes that re-fuel mid flight, is able to deliver life-giving oxygen to a diver unable to re-surface quickly.