You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Highest Duty: My Search for What Really Matters is a memoir written by a pilot who retired after how many years of commercial service?" whose answer is 30.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Chesley Sullenberger commercial service years
Useful Output:

Doc 1: In 1980, Sullenberger joined Pacific Southwest Airlines as a commercial pilot. Pacific Southwest was later acquired in 1988 by a company that
Doc 2: Chesley 'Sully' Sullenberger became a global hero when he landed an airliner on New York's Hudson river in 2009. Now played by Tom Hanks in
Doc 3: He retired from commercial piloting in March 2010. Sullenberger is now an international lecturer and keynote speaker. Thank you for your service
Doc 4: Sully spent 30 years as a commercial airline pilot. Before that, he was appointed the United States Air Force Academy out of high school
Doc 5: After logging some 19000 hours of acclaimed but anonymous service in the skies, Chesley B  • Served nearly seven years as an Air Force