LISBON, Portugal (AP) — Portuguese police have seized a semi-submersible vessel transporting 6.5 tons of cocaine destined for ...

semi-submersibles that attempt to conceal themselves but must have an exhaust above the water level, and a torpedo-like variant that can be towed or attached to the hull of larger ships.

Two semi-submersibles were found by men of the National Navy, who were ready to be loaded with eight tons of cocaine. The boats that were inside the thick rainforest of Nariño would go to Central ...

The suspects led an international crew of drug smugglers who specialized in building self-propelled submersible vessels in ...

Seadrill Ltd. engages in the provision of offshore drilling services. It owns and operates drillships, semi-submersibles and jack-ups. It operates through the following segments: Harsh Environment ...