Yes rnlf beat me to posting it here, hehe. I recall reading the manual before playing it and thinking, oh so this thing has a story too? Cool, corporate intrigue, I wonder what the Union Aerospace Corporation will do in the game!
NOPE! I think the only part of the actual game which alludes to the UAC is some random textures which have “UAC” on them, in the storage crates in the second level if I recall correctly.