Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: Almost overnight, Wendover became a high - security base filled with off - limit areas covered in barbed wire. No one was allowed to talk about what they saw or heard, even though most of the 509th had no idea why they were there, except that 15 B-29 s were being modified to carry a heavy load.
A:
Wendover quickly became a high-security base.  No one could communicate what they've experienced there, even though most had no idea why they were there.