Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
One example: Sentence: The Obama administration is developing additional screening protocols for airline passengers both overseas and in the United States to control infectious diseases such as Ebola, President Barack Obama said Monday .<sep>Span: Obama administration
Solution is here: What was the duration of the Obama administration?
Explanation: It is an inquisitive question based on the specific span of the sentence.

Now, solve this: Sentence: Yet whether in a direct or supporting role , aircraft carriers have taken part in almost every U . S . major military operation since World War II .<sep>Span: in almost every U . S . major military operation
Solution:
Have there been exceptions?