| "C" Flight from 103 Sqn, also based at Elsham Wolds, together with nine Avro Lancasters Mk I and III and their ground crews, were actually posted in on 25 November, but the crews and aircraft did not actually "arrive" until two days later, on Saturday 27 November, proudly bearing the new Squadron's new code letters, UL. These made up the nucleus of the new Squadron, forming "B" Flight under the command of Sqn Ldr M R Attwater. The Squadron's "A" Flight, under the command of Sqn Ldr Dilworth, was made up of four experienced crews from 101 Sqn at Ludford Magna; additional crews coming straight from Heavy Conversion Units within No.1 Group. In the days leading up to 01 December, new postings arrived each day including clerks, riggers, armourers, fitters, transport drivers and aircraft hands, and the time was spent equipping relevant sections and receiving the new arrivals. The Squadron aircrew establishment as at 27 November probably looked as follows: 576 SQUADRON "A" FLIGHT: Officer Commanding "A" Flt: Sqn Ldr J F Dilworth (without crew) Flt Sgt L R B Matthews
 Sgt A D Roulson
 Flt Sgt R H Sinclair RNZAF
 Plt Off R S Bowden
 Plt Of C H Bayram
 Sgt D J Bealey
 Sgt D W Blackman
 Sgt A J Bodger
 Sgt R P Lloyd
 Sgt S G Barnes
 Sgt W Scott
 Sgt K Watkins
 Sgt P W Robert
 Sgt J A Russell
 Sgt R Whalley
 Sgt C Van de Velde
 Sgt S J Barr
 Sgt J D Ward
 Sgt F Burgess
 Sgt J McCool
 Sgt G N Scott (or Sgt G M Morris)
 Flt Lt R R Leeder
 Sgt R P Lloyd (?)
 Sgt B G Lyall
 Fg Off J A Turner
 Sgt R S Brown
 Sgt P J Drought
 Sgt S Bickeley
 576 SQUADRON "B" FLIGHT - Officer Commanding "B" Flt: Sqn Ldr M R Attwater Sgt A Burgess Flt
 Sgt M A Grace RCAF
 Flt Sgt D S S Potter
 Sgt K W Taylor
 Sgt F W Harris
 Flt Lt C Hill
 Fg Off G S Morgan
 Sgt J R Mearns
 Sgt N A Lambell RAAF
 Plt Off E McP Graham
 Sgt J R O"Hanlon
 Sgt D Roberts
 Sgt C E Shilling
 Plt Off R J Edie
 Sgt E S Boorman
 Sgt A E Danslow
 Plt Off E H J Suarez
 Flt Sgt A W Jones Sgt E C Benham Sgt S D Clewer WO T J Bassett RAAF Sgt E A Brown Sgt J M W Pasley (or Fg Off H L Rees RCAF) Sgt B R Round Flt Sgt W H Rogers RAAF Sgt A J Palfreman Flt Sgt L Brettell Flt Sgt C E O"Neill RCAF Sgt J A Mansfield Sgt R H McLeod (or Fg Off J B Armstrong RCAF) Sgt S Hewitt Sgt J R Ingham Sgt G A Coon RCAF Sgt N Conner Flt Sgt H M C Thomas Sgt D Arlott Sgt P W Green Plt Off M A Elliott Sgt J P Gray Sgt H L Morrison RCAF Sgt L Mulholland Fg Off J H Richards Sgt C P Rudland (or Sgt H S Mitchell) Sgt G Evans Sgt A E Hooper Sgt S W Irons Sgt C Milburn Sgt H Johnson WO C C Rollins Sgt E D Roff Fg Off H L Rees RCAF Sgt J Rutter Sgt R Hammond Sgt L S Sumak RCAF Sgt M A Frost (or Sgt W M Boston) WO M J Graham Sgt G P Rae Sgt W J C Keigwin Sgt K W Flowers Sgt P Harris Sgt P J Daly Sgt D Roberts Plt Off R L Hughes Sgt J E F Paton Sgt D A H Morris Sgt J Woodruff Sgt J P Gray Sgt F E A Rivett Sgt F H Lanxon Flt Sgt J M Booth RAAF (possibly) Sgt G H Kaye Flt Sgt L W L Godfrey RAAF Flt Sgt R E D Richards RAAF Flt Sgt M N Jennings RAAF Flt Sgt M W Jones RAAF Flt Sgt D R G Taskis RAAF Flt Lt E D Smith (possibly) Sgt B Suffolk Fg Off C Ashcroft Fg Off M L Abramson RCAF WO1 A Larsen RCAF Flt Sgt A R McAlhome Sgt N A Dixon
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