> This is good but IMHO he would be much safer in a spherical sub. I suppose the problem may be with having large enough viewports in a spherical vehicle. Part

> This is good but IMHO he would be much safer in a spherical sub. I suppose the problem may be with having large enough viewports in a spherical vehicle. Part of the problem is also descending/ascending - a sphere cannot do either as quickly as the "bullet" shaped vehicle designed here.