It's long been an "Easter egg" in the music files of UO. It's from the old EA game "Strike Commander", and is one of the original 3 Rare gears.
From Wikipedia:
Strike Commander is a flight sim computer game for MS-DOS released in 1993 by the now defunct Origin Systems and designed by Chris Roberts. Its 3D graphics-engine used both gouraud shading and texture-mapping on both aircraft-models and terrain, an impressive feat at the time. Significant plot elements were presented through in-game cut-scene animations, a hallmark storytelling vehicle from Chris Robert's previous Wing Commander games. The game has been called "Privateer on Earth," due to the mercenary roleplaying in the game. The game was mass released in 1994 as part of a Creative Labs bundle pack with Syndicate Plus, Ultima VIII: Pagan, and Wing Commander II: Vengeance of the Kilrathi.[1]
The game takes place in a fictional near-future (2011) where significant political changes have occurred in the world. It revolves around a group of crack mercenary fighter pilots in a group known as the 'Wildcats', based in Turkey who fly F-16's. The player accepts missions from interesting characters and gets paid for doing them which allows the player to buy more weapons. The missions involve flying an F-16 and, in the last missions of the game, the more advanced F-22 and F-23, and accomplishing certain objectives.
Other simulators, such as the F-22 series from Novalogic have been compared with Strike Commander because of their simplified flight model and emphasis on graphic detail, which makes them relatively similar in terms of philosophy.
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One of the neat things about this floppy-era game is that you could buy a separate floppy, that replaced the text conversations in the game's cut scenes with voice-acted dialogue....
