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Find any program of whatever size that seems to be on time and on budget. one of my laments in service, trying to deal with this. but this particular piece of hardware is unique in that it's -- >> this new aircraft carrier. new generation. >> the first one in 50 years. the nimitz class carriers which, as you correctly pointed out, 10 in the navy now. really designed back in the late '60s. nimitz went to sea in the mid'70s. this technology, first time in 50 years but it's a lot more than just a new ship. we've -- there's certainly enduring value in these carriers. the average lifespan is about ...

Chernobyl in april 1986 was actually reactor number 4 of a whole set of them. no one really realizes it. the three other units which were in the same building carried on operating and generating electricity right up until the mid 90s. and people just went to work there every day. isn't that amazing? >> outside of the old soviet union, we didn't use the reactor design that chernobyl had. among other things, the chernobyl reactor had no containment building. it was in virtually a quanset hut. so when there was a fire and an explosion, there was nothing to contain it. >> chernobyl was a different...

Chernobyl in april 1986 was actually reactor number 4 of a whole set of them. no one really realizes it. the three other units which were in the same building carried on operating and generating electricity right up until the mid 90s. and people just went to work there every day. isn't that amazing? >> outside of the old soviet union, we didn't use the reactor design that chernobyl had. among other things, the chernobyl reactor had no containment building. it was in virtually a quanset hut. so when there was a fire and an explosion, there was nothing to contain it. >> chernobyl was a different...

But fourth generation reactors, like the integral fast reactors, can use the waste from the first three generations as fuel. the great philanthropist bill gates has put money and time into a traveling wave reactor that you basically stick in the ground and it goes through its body of fuel over a period of 60 years. you don't need to refuel it. there's a thorium reactor the same group is working on. other fourth generation coming along with small module reactors. they look exactly like the kind of local power source that environmentalists have increasingly been saying we should have. so there's...

This technology is much safer. but fourth generation reactors, like the integral fast reactors, can use the waste from the first three generations as fuel. the great philanthropist bill gates has put money and time into a traveling wave reactor that you basically stick in the ground and it goes through its body of fuel over a period of 60 years. you don't need to refuel it. there's a thorium reactor the same group is working on. other fourth generation coming along with small module reactors. they look exactly like the kind of local power source that environmentalists have increasingly been sa...