When you're vastly outnumbered, there's a huge military advantage in close quarters coupled with the element of surprise.
9 seconds sound clip from the The A-Team - Moving Targets (Season 3, Ep. 19) TV Series.
You can hear this line at 00:36:58 in the DVD version of the movie.
Quote context
[...]
- We've gotta get off the boat.
- Oh, great, he's on the jazz.
- Wouldn't it be better out in the open?
- No.
- In other words, simply you attack from the inside out.
- In other words, you infect your enemy. You give him the flu. Is that right? Is that right?
- Well, not exactly, but we will give him a headache and lower his temperature. Now.
[...]