Aldington joined the British Army in 1916, during the Great War, and was commissioned as a second lieutenant into the Royal Sussex Regiment during 1917 and was wounded on the Western Front [REF].
Aldington and H. D. attempted to mend their marriage in 1919, after the birth of her daughter by a friend of writer D. H. Lawrence, named Cecil Gray, with whom she had become involved and lived with while Aldington was at war.