It's from one of my favorite movies - "Death Hunt" with Charles Bronson and Lee Marvin. If you haven't seen that movie, it's worth renting.
Marvin is a Canadian Mountie sergeant, they're tracking Bronson through the Yukon. A hot-shot fighter pilot flies in, thinks he's going to fix the whole situation. He asks Marvin:
"Where's the command post, Sergeant?"
"Wherever I'm standing."
Man, I ain't sure when the movie came out, but I can barely remember seeing it and I'm a whopping age of 26. Wonder if theres a place around here I could rent it. Until recently, I always got that movie cornfused with Jeramiah Johnson.... $9.99 at walmart straightend that our real quick..