23 Jan 1940 2nd/Devonshire Regiment marched into St Andrews Barracks and handed over St George's Barracks and Ta' Qali to 2nd/Royal West Kent Regiment.
10 June Took over Marsaxlokk Defence Sector and all Passive Air Defence (PAD) responsibilities from 2nd/Royal West Kent Regiment. The battalion also took over the gymnasium and the garages at St Andrews Barracks.
Together with A Coy 2/KOMR, it was responsible for co-ordinating with the defence plans of RAF Station Kalafrana and patrolling the boom at Wied Is Shakka (GR 5015). The landing places on the SW coast were guarded by 2/KOMR.
10 June A Carrier Plt of 2/Devon together with a Coy 8/Manch defended the landing ground at Hal Far RAF Station.
13 June During the air raid of 13 June, two casualties from 1st/Devonshire Regiment were treated at ADS Tarxien and evacuated to Mtarfa hospital. No 7342748 Pte John Henry Slade and No 5615850 Pte Henry William James Kite were killed.
30 June Strength: 24 officers and 670 men.
29 July On 29 July, No 5619974 Pte John Henry FooteD Coy 2nd/Devonshire Regiment was accidentally shot by a private who was cleaning his rifle.
18 Dec 1940 Villa Cecy in Tarxien was handed over to 2nd/Devonshire Regiment.