Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: Karnes and hundreds of other men from the 509th stood along the flight line as Tibbets and the Enola Gay took off at 2:45 a.m. on Aug. 6, a warm, tropical night.
A:
Karnes and hundreds from the 509th stood on the flight line as the Enola Gay took off at 2:45 a.m. on Aug. 6.