Question:  David John Shannon was selected to join the newly formed No. 617 Squadron by the most highly decorated serviceman in the country who completed over how many operations at the age of 26?
Sentence (from "Dave Shannon"): David John (Dave) Shannon, DSO & Bar, DFC & Bar (27 May 1922 – 8 April 1993) was an Australian bomber pilot of World War II, best known for his part in the "Dambusters" raid on the night of 16/17 May 1943.
Relevant evidence: Yes