Conversation so far:
where did the phrase window of opportunity come from
‘Window of opportunity,’ was born as a term in the arms race for ‘an opportunity to attack’
what is the meaning of window of opportunity
A window of opportunity is a period of time during which some action can be taken that will achieve a desired outcome.
what happens when the window of opportunity closes
Once the window of opportunity period is over, or the window is closed, the specified outcome is no longer possible.

Question: can you give me an example
Self-contained rewrite: can you give me an example of a window of opportunity