It's F. Lee Montgomery, but that just gets whittled down to Flea.
5 seconds sound clip from the G.I. Jane movie soundboard.
You can hear this line at 00:24:45 in the Blu-ray version of the movie.
Quote context
[...]
- What the fuck you doin' with him?
- Whoo-hoo! What's your name, pancake?
- Flea! I mean, Montgomery, sir!
- Don't call me sir, moron. I work for a living.
- How many names you got anyway?
- It's F. Lee Montgomery, but that just gets whittled down to Flea.
- Are you my quitter, Mr. Flea?
- Nothin' to be ashamed of, sir. Do you wanna quit?
- Not me, Master Chief! I'm full of joy!
- What the hell is going on down there? Move that fender!
- Class! Class, stand in line! Drop down, bent over push-ups!
- Quit playing with your hair, O'Neil, and drop down!
[...]