The Shell fleet's 14, 000-ton drill ship in Alaska, the Discoverer, slipped anchor two weeks ago.

CNN: Shell Oil's multibillion dollar Arctic hoax

The drill ship is equipped with computer-controlled thrusters, swiveling propellers, that can keep it in position in any kind of inclement weather, up to a hurricane.

FORBES: The delicate art of sucking up

The drifting chunk of ice, more than 32 miles long by 12 miles wide, forced the drill ship Noble Discoverer to move off the planned well as a precaution, company spokesman Curtis Smith said.

CNN: Ice floe halts Shell's new Arctic well

After the Costa Concordia accident, officials learned about 600 of more than 3, 000 the ship's passengers had not participated in the muster drill because they got on the ship within hours of the accident.

CNN: SHARE THIS

About 600 of more than 3, 000 Corcordia passengers had not participated in the muster drill because they got on the ship within hours of the accident.

CNN: Cruise industry adopts new safety policy

The United States can, quite literally, drill, dig, build, and ship its way out of the current economic and jobs malaise.

FORBES: America Take Note: Technology Unleashes Black Gold to Rescue Ireland's Economy

Four men are critically ill after falling from a ship into the water during an exercise drill at the Royal Portbury Dock near Bristol.

BBC: Four fall from ship at Royal Portbury Dock

As soon as you board your ship and arrive at your room, find your life vest and participate in the mandatory safety drill, called a muster drill.

CNN: In a cruise ship crisis, what should happen?