The crew of the rescue tugboat Nan Hai Jiu 197, Nan Hai Rescue Bureau, Ministry of Transport, China, nominated by China, for saving four out of five persons aboard a small cargo ship that had sunk in severe weather, in January 2011.

FORBES: Korean Ship Captain Honored for Extraordinary Bravery at Sea

So for a very small window of time, only unarmed cargo workers would guard the jewels.

CNN: Diamond heists are forever

The National Transportation Safety Board has begun an investigation into the cause of the cargo train collision near Chaffee, a small town southwest of Cape Girardeau.

WSJ: Mo. highway buckles after rail cars hit overpass

We boarded the small airplane through the back ramp and saw that this aircraft was meant for cargo, not people.

CNN: STORY HIGHLIGHTS

Meanwhile, the United States said it was tracking a Russian military cargo ship en route to Syria that is carrying weapons, ammunition and a small number of Russian troops.

CNN: STORY HIGHLIGHTS