You know how you know that when you're in the water, Chief?
5 seconds sound clip from the Jaws (1975) movie soundboard.
You can hear this line at 01:29:57 in the Blu-ray version of the movie.
Quote context
[...]
- I was coming back from the island of Tinian to Leyte, just delivered the bomb, the Hiroshima bomb.
- 1100 men went into the water.
- Vessel went down in 12 minutes.
- Didn't see the first shark for about half an hour.
- You know how you know that when you're in the water, Chief?
- You tell by looking from the dorsal to the tail.
- Well, we didn't know. Because our bomb mission had been so secret no distress signal had been sent.
- They didn't even list us overdue for a week.
- Very first light, Chief, sharks come cruising so we formed ourselves into tight groups.
[...]