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: "Which country's longest continuous deployment began because of intense political and sectarian rioting in Northern Ireland?" whose answer is Britain.
Each document should contain about 30 words, and these documents should contain useful information.

Query: longest continuous military deployment in Northern Ireland
Useful Output:

Doc 1: Operation Banner ended up lasting from August 1969 to July 2007. Troops were initially sent in after the August 1969 riots, at the request of
Doc 2: Former soldiers have marched to remember the British military's 38-year operation in the once-troubled province. Hundreds of troops were killed trying to
Doc 3:  operation in Northern Ireland from 1969 to 2007, as part of the Troubles. It was the longest continuous deployment in British military history.
Doc 4:  operation in Northern Ireland from 1969 to 2007, as part of the Troubles. It was the longest continuous deployment in British military history.
Doc 5: About 300,000 military personnel served in Northern Ireland between 1969 and the official end of Operation Banner in 2007, making it the longest