"on returning from the toilet one might be heard to exclaim: "i wouldn't go in there old chap, it looks like 617 squadron have scored a direct hit on the karzi
617 squadron, also known as the dam busters, were an royal air force squadron setup during the second world war to destroy germany's industrial heartland around the ruhr river
""on returning from the toilet one might be heard to exclaim: "i wouldn't go in there old chap, it looks like 617 squadron have scored a direct hit on the karzi" What is the definition of "617 squadron"?