Last night I recorded the first episode of a 10 part PBS documentary on the USS Nimitz. I have watched about 30 minutes of it so far. It is a pretty interesting insight into life about a big ship. Long hours, harsh conditions, etc. It is a pretty incredible way of life, especially considering the majority of the people on board are 18 and 19 years old, and for many it is their first time away from home.
From what I have seen so far I can definately recommend it. It appears that the first 2 hours that have already been aired can be seen on the website.
http://www.pbs.org/weta/carrier/
The episodes continue on PBS each night this week.