Luftwaffe and Allied Air Forces Discussion Forum - LAC J. Bromley, 53 Sqdn, 15/05/1940, buried as 'known' unknown?

I've a question regarding LAC J. Bromley, RAF 550718, 53 Sqdn., age 20, 15/05/1940, missing.

According to Cynrick De Decker and Jean Louis Roba in 'Mei 1940 boven België', De Krijger, 1993 he's buried as 'unknown airman' in Ramegnies-Chin Churchyard, Belgium. Peter Cornwell is of the same opinion.

Yet if this was known in 1993, what's the reason why the CWGC still lists him as 'missing'? Can it be that the CWGC or MOD was never informed?

Regards,

Bart
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Type: Bristol Blenheim Mk IV
Serial number: L9399, TE-?
Operation: Reconnaissance
Lost: 15/05/1940
Pilot Officer (Pilot) Peter K. Bone, RAF 40795, 53 Sqdn., age 27, 15/05/1940, Templeuve Communal Cemetery, Tournai, Belgium
Sergeant (Obs.) William J. Cronin, RAF, 365686, DFM, 53 Sqdn., age 31, 15/05/1940, Templeuve Communal Cemetery, Tournai, Belgium
Leading Aircraftman Jack Bromley, RAF 550718, 53 Sqdn., age 20, 15/05/1940, missing (buried as 'unknown airman' in Ramegnies-Chin Churchyard, Belgium, according to Cynrick De Decker and Jean Louis Roba in 'Mei 1940 boven België'.
Shot down by F/O Owen of 504 Sqdn over Tournai (Doornik).

'At 09.00 hrs planes from 53 Squadron fly via Tournai to Dinant. British soldiers transported on the Tournai-Lille railroad see a Hurricane attacking a twin engined aircraft and shooting it down. Wildly cheering they watch this aircraft exploding in a ball of fire at Ramegnies-Chin near Couture de Froyennes.

In the wreckage the bodies of P/O Bone and Sgt Cronin are found. A third charred body is pulled by parachute ropes out of the molten metal and buried in Ramegnies-Chin Churchyard. As combat broke out there was no time to identify him.'

Sources: CWGC; W.R. Chorley, Bomber Command Losses of the Second World War, Volume 1, 1939/40; Cynrick De Decker and Jean Louis Roba, Mei 1940 boven België. De luchtstrijd tijdens de Achttiendaagse Veldtocht, De Krijger, 1993; Peter D. Cornwell, The Battle of France, Then and Now, 2008