- Second World War (1939-1945)
- Flight Sergeant (now Pilot Officer)
- No. 192 Squadron, Royal Air Force
- Awarded on:
- June 27th, 1944
"This airman has completed a large number of operational sorties during which he has displayed keenness and cool courage. On one occasion when his aircraft was attacked by two enemy fighters and seriously damaged, his calm directions to his pilot and his accurate fire enabled his crew to warn off the attacking aircraft and damaged one of them. Flight Sergeant Allin has completed many long distance flights and has consistently displayed cool courage and ardour for his duties."