Each photo measures 5" by 7" with a white border on all sides with the signature handsigned on the specially elongated bottom margin.
The photograph is from the 1939-1945 period and has been reproduced and then signed by Flying Officer Ray Grayston.
This signed photo forms part of a limited edition of Dambuster Aircrew photographs. This is number 2 in the new series, produced by ourselves. Each photograph has been handsigned and they are all numbered and certified on the reverse. Each photograph is a limited edition of 100. 

The photograph shows the crew of AJ-N who were Pilot Officer LG Knight, Sergeant RE Grayston, Flying Officer HS Hobday, Flight Sergeant RGT Kellow, Flying Officer EC Johnson, Sergeant FE Sutherland , Sergeant HE O'Brien.        
 
Flying Officer R E Grayston
Flight Engineer ED912 AJ-N on Operation Chastise (Dam's Raid) - target Eder Dam

Sergeant Ray Grayston took part in ‘Operation Chastise’ as the Flight Engineer on Pilot Officer Les Knight’s Lancaster ED912, ‘AJ-N’, which attacked the Eder Dam. On 15/16 September 1943 during a raid on the Dortmund-Ems Canal, flying low-level in poor visibility their aircraft hit trees and lost the two port engines and crew were forced to bale out. Grayston became a POW and was sent to Stalag Luft III. 
Prior to the raid Grayston had served with 5 Group Bomber Command with 50 Squadron flying Avro Lancasters and having completed his tour he and the rest of the crew were selected for 617 Squadron. He also took part in the Battle of the Ruhr when they were tasked with bombing Essen on 5th March 1943.  

Operation Chastise

The Lancasters were organised into three groups. Formation 1 was to attack the Moehne and after that aircraft still with bombs would attack the Eder. Formation 2 was to attack the Sorpe. The third group was a mobile reserve, it would take off two hours later and bomb as directed, either attacking the main dams or bombing smaller dams at Schwelm, Ennerpe and Dieml.
The operations room for the mission was at 5 Group headquarters in Grantham the codes transmitted in morse, for the mission were agreed on as Goner for bomb dropped, Nigger for the Moehne breached, Dinghy for the Eder breached and for the Sorpe breached. The Nigger code was after Gibson's black dog that had been run-over and killed on the morning of the 17th.
The aircraft flew two routes, carefully skirting known flak hot-spots, and no more than 75 feet off the ground.
Formation 1 entered continental Europe between Walcheren and Schouwen, crossed Holland, skirting the airbases at Eindhoven and Gilze-Rijen, curved round the Ruhr defences and turned north to avoid Hamm before turning to head south to the Moehne.
Formation 2 flew further northwards, cutting over Vieland and crossing the Zuyder Zee before joining the first route near Wesel and then flying south beyond the Moehne to the Sorpe.
Formation 1 was of nine aircraft in three groups - Gibson, Hopgood, Martin; Young, Astell, Maltby; and Maudslay, Knight, Shannon.
Formation 2 was of five aircraft, those of McCarthy, Byers, Barlow, Rice and Munro. Formation 3 consisted of the aircraft of Townsend, Brown, Ottley and Burpee. Two crews were unable to make the mission because of illness.
The first aircraft, those of Formation 2 and heading for the longer northern route, took off at 21.10, McCarthy's aircraft had a hydraulics fault and he took off in a reserve craft twenty minutes late.
Formation 1 took off from 21.25. The first casualties were soon after the craft reached the Dutch coast, Formation 2 was very badly attrited - Munro's aircraft lost his radio to flak and turned back over the Zuyder Zee, Rice flew too low and lost his bomb in the Zuyder Zee but recovered the aircraft to return to base. The aircraft of both Barlow and Byers crossed over the coast around Harderwijk and were soon shot down. Only the tardy aircraft of McCarthy survived across Holland. Formation 1 lost only Astell, somewhere over Rosendaal.
Formation 1 arrived over Moehne Lake and Gibson's aircraft (G for George) bombed first. Hopgood (M for Mother) attacked second, the aircraft was hit by flak as it made its 60 feet run and then caught in the blast of it's own bomb and destroyed. Martin (P for Peter) bombed third, his aircraft was hit but made a successful attack. Then Young (A for Apple) made a successful run and after him Maltby (J for Johnny) and then finally the dam was breached.
Gibson then led Young, Shannon, Maudslay and Knight to the Eder. The Eder valley was heavily fogged but not defended. The tricky topology of the surrounding hills made the approach difficult and the first aircraft, that of Shannon, made six runs before taking a break. Maudslay (Z for Zebra) then attempted a run, the bomb struck the top of the dam and the aircraft was caught in the blast. Shannon made another run and successfully dropped his bomb and the final bomb of the formation, on Knight's aircraft, breached the dam.
McCarthy (T for Tom) reached the Sorpe alone. It was the least likely to be breached - a vast earth dam rather than the two concrete structures successfully attacked. Despite the mist and ill-placed hills McCarthy's aircraft successfully dropped its bomb but did not breach the dam.
Three of the reserve aircraft were directed to the Sorpe, Burpee (S for Sugar) never reached the dam, Brown (F for Freddy) reached the dam and in increasingly dense mist finally dropped his bomb without breaking the dam. Anderson (Y for Yorker) arrived last and the mist was too dense for him to even attempt the run. The remaining two aircraft were sent to subsidiary targets, Ottley (C for Charlie) was shot down en route while Townsend (O for Orange) successfully dropped his bomb on the Ennerpe. On the way back only one further aircraft was lost, that of Young was hit by flak and crashed
into the sea just off the cost of Holland. In all, of 133 aircrew 53 had been killed and three bailed out to be made POWs.

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