REVIEW ESSAY OF CHANGING OF THE GUARD AND BLOOD, METAL AND DUST The Changing of the Guard – the British Army since 9/11 , Simon Akam, London, Scribe Publications, 2021, 804 pp., £17.96 (hardcover), ISBN 978-9-1334-8489 Blood, Metal and Dust – how victory turned into defeat in Afghanistan and Iraq , Ben Barry, Oxford, Osprey Publishing, 2021, 528 pp., £16.61 (hardcover), ISBN 978-1-4728-3101-9