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 distant cousin of a German field marshal of the "Luftwaffe" was a German First World War fighter ace credited with 40 victories?" whose answer is Lothar Freiherr von Richthofen.
Each document should contain about 30 words, and these documents should contain useful information.

Query: German WWI fighter ace 40 victories distant cousin Luftwaffe
Useful Output:

Doc 1: He had earned ace status and the Distinguished Flying Cross before war's end.  40 victories he achieved in the time he was active is
Doc 2: Dick Bong scored his 40 during 146 missions over 400 hours. Thunderbolt ace, Bob Johnson tallied 28 after just 91 missions. German pilots by
Doc 3: Fritz Beckhardt, pictured here in 1918, was a German Jewish fighter ace in World War 1. The Nazis later expunged him from Luftwaffe history.
Doc 4: He was to gain his first victory on 16th November 1915, whilst flying a reconnaissance mission over Tahure, following the end of the second battle of Champagne.
Doc 5: Photographed with his younger brother Lothar (1894-1922) also a German First World War fighter ace credited with 40 victories.