At 7 p.m. His Majesty’s Submarine Truculent was headed up ... At the top of the funnel was a hatch, opening outside the vessel. The bottom of the funnel was under the surface of the water ...

Sealab basically looked like kind of a cigar-shaped vessel, like a submarine with legs like a ... from this environment as you please through a hatch that's left open in the floor.

Sealab basically looked like kind of a cigar-shaped vessel, like a submarine ... you please through a hatch that's left open in the floor. The water does not rush in because the pressure inside is the ...

Satellite imagery captured a rare scene at a shipyard in China earlier this month, which showed a Chinese nuclear-powered submarine with its missile launch tube hatches open.

Submarines are fraught with danger, especially in times of war. Often tasked with operating solo or in pairs, submarines end ...