The war ended a few weeks later and the Squadron disbanded on 7 December 1918 as it had not yet become operational.
[3] On 1 April 1942, No.155 reformed at RAF Peshawar as a squadron but did not receive its first Curtiss Mohawk IVs until mid-August owing to the necessity to modify these aircraft for operational use.
[2] Reconnaissance, ground attack and bomber escort missions occupied the squadron until January 1944, when it finally replaced its Mohawks with Supermarine Spitfires.
[5] In mid-September 1945, the squadron flew to Singapore soon after the Japanese surrender and in February 1946, moved to Sumatra to provide tactical support for the British Army units there until disbanded on 31 August 1946.
[2] In September 1954, No.155 reformed at RAF Kuala Lumpur with Westland Whirlwind helicopters and provided transport and casualty evacuation support for the Army and police in Malaya during their flight against Communist guerrillas in the jungle.