Supplements were published titled The Army Quarterly Series and describing the defence forces of individual countries.

He subsequently appointed his brother as editor in order to avoid an apparent conflict of interest, while continuing in reality to edit the journal himself.

[1] Initially, the journal was not as profitable as had been hoped and Headlam came to tire of the regular deadlines and the poor quality of the writing of many military officers.

The publication did, however, give him standing in the defence world and in time became semi-official, although it never received any grants from the British government.

[8] The journal included a mixture of historical and topical articles, book reviews, advertisements, and notices.

[5] The journal received contributions from all ranks of officers[5] with the lessons to be learned from the First World War a subject of much debate.

and its Prospects (1954), and Arms and Tomorrow (1955) which featured on the cover a mushroom cloud rising from a bombed city.