It's the world's oldest transcontinental railway, though owing to its small size, it is typically described as transoceanic.

WSJ: Travel: It's a Jungle Out There | The Panama Canal Railway

The current aircraft HB-SIA is effectively the prototype for the craft that will eventually be used for transoceanic flights and the round-the-world trip.

BBC: Solar Impulse plane lands in Phoenix

The only NASA study that recorded pilots' brain waves during transoceanic flights caught 44% of the pilots sleeping in the cockpit, just like their passengers in the back of the plane .

CNN: FAA knew controllers nap, ignored fatigue issue