Detailed text transcripts for TV channel - CNN - 20100208:19:03:00
Because they help with navigation. some are inland. one in indiana, this would help with navigation on inland waterways and aviation. this is what it looks like from the air, but we can look at it from the ground. we have an exterior shot. also, you can take a peak inside. when you look inside, you can see this probably is not the most up to date technology that you've ever seen. it has been largely replaced at this point by gps, which is of course a satellite-based system. gps doesn't just take you to the nearest cup of coffee, it does a lot of other things very critical to the united states....
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