Complex sentence: The Zeppelin "LZ3" was a German experimental airship first flown on 9 October 1906 and later purchased by the German Army and operated as ZI until 1913.
Split into simpler sentences: The Zeppelin "LZ3" was a German experimental airship first flown in 1906. It first flew on 9 October 1906 and it was later purchased by the German Army and operated as ZI until 1913.