challenge: Where did Mungo Melvin study before being commissioned into the Royal Engineers in 1975?
  
  A. Downing College, Cambridge and the Royal Military Academy at Sandhurst
  B. The Royal College of Defence Studies and the Ministry of Defence
  C. Daniel Stewart's College in Edinburgh and the German Armed Forces Command and Staff College in Hamburg
  D. Daniel Stewart's College in Edinburgh, the Royal Military Academy at Sandhurst, Downing College, Cambridge
  Answer: 