The “G” suffix indicated the secret nature of the plane which required an armed guard while on the ground.
Published at 950 × 719 px.
Link to full-size photo:
Westland Welkin Prototype DG558, October 1942
Photos of World War II: over 26800
aircraft: 63 models
tanks: 59 models
vehicles: 59 models
guns: 3 models
WW2 battlefields - 12
weapon models: -
books in reference section: over 500