Did ya like "Discovery Wings?"
Then you'll like it, its the same thing, except they occasionally endlessly repeat shows about tanks instead of the Blue Angels.
THat said, its one of those filler channels, and it does serve its purpose. When nothing else is on, you can always watch a special about the top 10 tanks ever made as judged by some guy who's never served for the billionth timein a row.
Oh, and you will...
gfen (dish network sucks, and will use you like a pawn in their negotiations)