Title: Anti-aircraft warfare.
Question: What did the integrated system for ADGB link?

Title: Atlantic City, New Jersey.
Question: What year did Trump Plaza originally open?

Title: Queen (band).
Question: On 20 May 2009 which Queen members performed We are the Champions on American Idol?

Title: Dwight D. Eisenhower.
Question:
How many years before Eisenhower's command had a non-Briton commanded Gibraltar?