Conversation so far:
When did Walter Cronkite start Walter Cronkite's career?
1935.
what was his job?
a series of newspaper reporting jobs covering news and sports.
what newspaper did he write for?
CANNOTANSWER.
when was he first on air?
he joined the United Press in 1937.
What was his first big story?
Subsequently, he was one of eight journalists selected by the United States Army Air Forces to fly bombing raids over Germany.

Question: did anything happen during the flight?
Self-contained rewrite: Did anything happen during Walter Cronkite's bombing raids over Germany?