The cool weapon here (this time) is not the SR-71 Blackbird, it's the 747 tanker, from which it's refueling.
There is one operating 747 tanker left in the world. It is operated by Iran's air force. They got it, along with what looks to be every aircraft we (the US) have retired in the last forty years or so. F-4 Phantoms, F-14 Tomcats, trainers, refuelers, etc.
Story
here, along with a couple vids showing a plethora of retired/obviated US aircraft.