P/O Robert 'Bob' FrancisThomas Doe flew with No 234 Squadron as well as No 238 Squadron flying both Spitfires and Hurricanes during the battle. His number of kills totalled 15. P/O R.F.T. Doe was wounded on the 10th of October 1940 when he baled out of his Hurricane I (P3984) over Warmwell at 13:00hrs. He had been in combat with a Bf 109. His aircraft crashed at Poole in Dorset. He ended the war as a Squadron Leader a D.S.O / D.F.C and a Bar.
P/O R.S.Don of No 501 Squadron baled out and injured on the 31st of July 1940 at 19:00hrs in his Hurricane I (P3648). He had been in combat with a Bf 109 over Dover.
P/O Arthur Gerald Donahue was born in St Charles, Minnesota, America  in 1913. He learned to fly privately and had his private and commercial pilot's licenses before he was 19 and for several  years he instructed trainee pilots, gave pleasure flights and did some barnstorming. In June 1940 he heard that pilots were being enlisted in Canada for the R.A.F. he went up, claimed to be Canadian was accepted and ten days later sailed for the UK. Six days after landing he was at 7 O.T.U. Hawarden. He joined No 64 Squadron at Kenley on the 3rd of August 1940. On the 5th of August 1940 he landed at Hawkinge with serious damage following a combat with Bf 109's off the French coast. He was wounded on the 12th of August 1940 at 17:40hrs over the South Coast when he baled out of his burning Spitfire I (X4018) with injuries to the right leg and burns.  After some time in hospital he rejoined No 64 Squadron in mid-September. On the 29th of September 1940 he was posted to No 71 Squadron, newly-reformed at Church Fenton from American volunteers. With no operations being flown Donahue was posted away on October the 23rd at his own request and he rejoined No 64 Squadron. Donahue was then posted to Singapore in late 1941. He was awarded the D.F.C. on the 27th of March 1942. He was killed in action on the 11th of September 1942.
F/Lt I.D.G.Donald of No 141 Squadron the pilot in a Defiant (L7009) was flying convoy patrol with P/O A.C.Hamilton on the 19th of  July 1940 at 12:45 hrs, they were shot down by a Bf 109 of JG 51 near Dover . They both died.
S/Ldr. Edward Mortlock (Teddy) Donaldson a Cranwell graduate took over Command of No 151 Squadron flying Hurricane's  in November 1939. He shot down 5½ enemy aero planes up until August 1940. He survived the war ending up as an air Commodore with C.B, C.B.E.,D.S.O. and A.F.C.
F/O M.D.Doulton joined No 601 Squadron in the July of 1940. On the 11th and 20th of July scored kills. In August he scored two more kills, before being shot down in his Hurricane(R4215) on the 31st of August 1940 at 13:35hrs and listed as M.I.A., aged 31. 
In 1984 a crashed aircraft was found which proved to be his, and his body was still in the cockpit.
P/O B.Douthwaite of No 72 Squadron was wounded on the 11th of September 1940 at 16:00hrs. His Hurricane I (R6710) was in combat over Gravesend and he had to force land due to battle damage.
P/O Georges Doutrepont joined No 229 Squadron at Wittering on the 4th of August 1940 after 10 days training at No 7 Fighter School (O.T.U). The Squadron moved to Northolt on the 9th of September. On the 11th of September 1940 flying as No 2, Blue Section he shot down a Heinkel He 111 which landed in a field. On the 15th of September 1940 Georges Doutrepont was killed when his Hurricane I (N2537) crashed on the station buildings of Staplehurst, Kent, at 11:50hrs.
F/O Peter D.M.Down was member of No 56 Squadron's pre-war aerobatic team, he destroyed one aircraft prior to the Battle and two more during it.
P/O G.J.Drake a South African flew with No 607 Squadron during the Battle of Britain. He was killed on the 9th of September 1940 at 17:30hrs. His Hurricane I (P2728) was shot down by Bf 109's over Guildhurst, Kent.
P/O B.V.Draper of No 74 Squadron force landed his Spitfire II (P7355) on the 20th of October 1940 after combat with a Bf 109 at 13:00hrs. He escaped injury.
P/O G.G.F.Draper of No 41 Squadron was injured after a combat over Ashford, Kent on the 30th of October 1940 at 16:00hrs. His Spitfire II (P7282) was a write off. Draper became a P.O.W. on the 7th of August 1941 when his Spitfire Vb (W3635) was shot down near Lille, France on a fighter sweep, he baled out safely.
S/L P.E.Drew of No 236 Squadron was killed on the 1st of August 1940 along with his gunner (F/O B.Nokes-Cooper) of the Blenheim IV (N3601) during an attack on Querqueville, France at 17:15hrs.
P/O Boleslaw H.Drobinski from Poland served with No 65 Squadron and flew Spitfire I's during the Battle of Britain. He later became a Squadron Leader and was an ace with 7 confirmed kills.
F/O J.F.Drummond of No 92 Squadron was killed when his Spitfire I (R6616)  collided with the Spitfire I (X4038) of P/O D.G.Williams on the 10th of October 1940 over Tangmere at 18:15hrs. Drummond's aircraft crashed at Portlant, Sussex.
F/O Hugh Spencer Lisle 'Cocky' Dundas was born in Yorkshire on the 22nd of July 1920 he was the younger brother of J.C.Dundas. He was educated at Stowe public school. He flew with No 616 Spitfire Squadron and No 242 Hurricane Squadron during the Battle of Britain. He was wounded in the arm and leg when he baled out of his Spitfire I (R6926) on the 22nd of August 1940 after combat with a Bf 109 at 19:30hrs.
F/Lt John Charles Dundas from Yorkshire was the older brother of H.S.L.Dundas. He joined No 609 Squadron before the war.He was credited with destroying 11 confirmed and 4 shared during the Battle of Britain and was awarded the D.F.C. On the 28th of November 1940 he was flying a Spitfire I (X4586) and he shot down Helmut Wick off the Isle of Wight who was flying a Bf 109. Wick's wing man then the shot down and killed Dundas at 16:15hrs. 
F/Lt. J.Dulop-Urie flew with No 602 Squadron during the Battle of Britain.  On the 18th of August 1940 he was flying a brand new Spitfire (X4110) which was damaged beyond repair in a fight with a Bf 109 from III Gruppe of JG 27 near Bognor at 14:35hrs. He landed the aircraft at Westhampnett, he was wounded in the legs.
P/O P.W.Dunning-White joined No 145 Squadron on the 2nd of  July 1940. His score was two kills before downing a Bf 110 and a Ju 87 on the 8th of August and a Bf 109 on the 11th of August. He also shot down another enemy aircraft on the 27th of October 1940.  He was awarded the D.F.C. on the 6th of June 1941.
S/Ldr. T.P.R.Dunworth flew with No 66 Squadron and No 54 Squadron in Spitfire's during the Battle of Britain. He took over Command of No 54 Squadron from A.Deere in September 1940.
Sgt S.Duszynski from Poland of No 238 Squadron was killed on the 11th of September 1940 at 16:15hrs. His Hurricane I (R2682) was shot down during an attack on a Ju 88 near Romney Marsh.
F/Lt. R.G.Dutton destroyed two enemy aircraft with No 111 Squadron before joining No 145 Squadron on the 3rd of April 1940. Dutton shot down nine more enemy aircraft over France and was awarded the D.F.C. on the 31st of May 1940. As "A" Flight Commander during the Battle, Dutton shot down another four aircraft before the 8th of August, when he shot down three Ju 87's, adding two Bf 110's on the 11th and a Ju 88 on the 12th. Dutton was awarded the Bar to the D.F.C. on the 20th of August 1940. By the end of the war he became a Wing Commander. 
P/O DARG le Roy du Vivier"Boy" a Belgian joined No 43 Squadron on the 4th of August 1940. He scored 1 kill, a Stuka (Ju 87) during the Battle and 4 during later service. He was wounded with leg injuries when he crash landed his Hurricane I (P3903) near Old Romney after combat with a Bf 109, at 13:20hrs on the 2nd of September 1940. Roy du Vivrier was awarded the Croix de Guerre (Belgian) on the 21st of July 1941,the D.F.C. on the 30th of January 1942 and the D.F.C. Bar on the 15th of September 1942.
Sgt L.A.Dyke of No 64 Squadron was reported as 'Missing' in his Spitfire I (X4032) on the 27th of September 1940 at 10:30hrs.
Sgt William Laurence Dymond joined No 111 Squadron in May 1940. He was credited with 10 kills and he shared in several other kills and was awarded the D.F.M.. He was shot down and killed on the 2nd of September 1940 at 12:50hrs. He had been in combat with a Bf 109 over the Thames estuary in his Hurricane I (P3875).