"For conspicuous gallantry and skill at Preue-au-Sart, on 4th November, 1918. In command of the left front company, which was held up by an organised line of machine guns, he so manoeuvred his platoons as to capture the line with a minimum of casualties. Although wounded in the leg, he continued in command until relieved the following day."
Second MC awarded as a Bar
“Lieutenant Colonel Allan Henry Shafto ADAIR, Commanding 3rd Bn GRENADIER GUARDS 1 Guards Brigade, 1 Division, 1 Corps
For conspicuous courage and coolness. During the retreat from the R. DYLE to DUNKIRK in May and June 40, Lt. Col. ADAIR's Bn was engaged with the enemy on five separate occasions. Lt. Col. ADAIR handled his Bn with such skill and determination that on each occasion the enemy were thrown back with heavy loss.
Lt. Col. ADAIR set a personal example of coolness under fire that was an inspiration to his Battalion, which throughout the retreat maintained a magnificent standard of discipline.
Signed Brigadier M. BECKWITH-SMITH
[Handwritten] Recommended for D.S.O.
Major A. ADAIR, M.C., in command of 3rd Bn, GRENADIER GUARDS, for conspicuous gallantry and leadership.
This officer carried out a counter-attack with his Battalion to restore a critical situation on the LYS Canal on the evening of 27th May 1940.
Having restored the situation on his front, he maintained it for 24 hrs until ordered to withdraw.
His calm courage and powers of command were an inspiration to all ranks.
He displayed leadership of the highest order in this action.
Signed Brigadier, 143 Inf. Bde, 8.6.40”