The following is supposedly a true story. To be included, besides being true, the story is most likely strange, weird, surprising, or funny.Moscow, Russia:First it was a flight in a MiG fighter jet. Then 30 seconds of weightlessness in a cosmonaut-training device.Soon thrill-seeking tourists may be able to ride in a Russian submarine, tank or missile ship.Pressed for money and burdened with surplus weaponry since the end of the Cold War, Russia is pioneering a new fad: military tourism.The only requirements are a taste for adventure and plenty of cash.As the plane goes into a dive from 30,000 feet, passengers in its padded zero-gravity chamber suddenly rise from the aircraft's floor.The price for floating free for half a minute: $4,000.