Relatives of Flight Sergeant Kenneth Chapman responded to an appeal by the Ministry of Defence after his grave was discovered near Berlin.
Exeter has been giving thanks to the special role Polish airmen played in defending the city during the Second World War.
Flight W3998 crashed during take-off in December 1941. For the next 70 years it lay undiscovered in the Plymouth Sound. But not anymore.
The few remaining veterans of a wartime regiment involved in a series of raids to liberate Europe from the Nazis have held a service at Exeter Cathedral as part of their final reunion.
They all served with 12th Battalion the Devonshire Regiment, formed locally with the outbreak of WW2.