If you calculate the time it takes to destroy a city and move on, we're looking at the worldwide destruction of every major city in the next 36 hours.
15 seconds sound clip from the Independence Day (1996) movie soundboard.
You can hear this line at 01:24:47 in the Blu-ray version of the movie.
Quote context
[...]
- The little bit of information we have comes directly into this room, Mr. President.
- Atlanta, Chicago, and Philadelphia. Destroyed.
- We learned that NATO and Western Allied installations were the first to be taken out.
- Then we were hit. They knew exactly where and how to hit us.
- And our forces? We're down to 15 percent.
- Mr. President... This is Captain Steven Hiller.
- Captain.
[...]