Klaxon Pack

Trek Elite Force 2, the US Naval alert Klaxon and a strong bad Klingon Alert Klaxon. All of the red alert sounds are of good quality and will sound better in game. Unfortunately the US Naval Alert really has no use in Bridge Commander since there are no naval ships (ones that travel on water) but it can work as a replacement for the red alert sound.
Here is a pack of Alert Klaxons that will replace the standard red alert sound in game. There are four included including the Standard Federation Red Alert, the Excelsior Red Alert Klaxon from Star