There are stars visible "through" the dark portion of the moon in the final shot.
The constellation of Orion isn't visible in the northern hemisphere in July.
When Jeff is informed of Eric's death he said that they had been REME (Royal Electrical and Mechanical Engineers). together. Later, when Thursday is speaking to Jeff he says "Sappers together, weren't you?" and Jeff said yes. Sappers is the nickname for the RE, (Royal Engineers) a completely different organization of the British army. The equivalent rank to Private is in the REME Craftsman, and in the RE, Sapper.
The file from Berkshire Constabulary about the hit and run accident has "constabulary" misspelled - without an s.