https://en.wikipedia.org/wiki/De_Havilland_Vampire#/media/File:%274220%27_DH.115_Vampire_T.11_(2406)_(8643525896).jpg

I suppose that the 'vampire element' comes in...with the tail fins....
https://en.wikipedia.org/wiki/De_Havilland_Vampire

anyway, I reckon that emet's marines had wanted to dig up the following photo...go figure:

https://en.wikipedia.org/wiki/De_Havilland_Vampire#/media/File:Fleet_Air_Arm_Museum_(11368374354).jpg