The Ħal Far airfield was the first airfield to be built on Malta followed by Ta' Qali that was later set up in 1939 - were used by the RAF to obtain and maintain air supremacy over the Mediterranean Sea; especially after Italy joined the Axis during WW2. However they were mainly used for the defense of Malta throughout WW2.

Here are some chronological notes so you can draft a description if you'd like (gathered from stories that my grandfather narrated to me (excluding how he ripped off the landing gear off a german plane and stole the rear machine gun), history books and some online research) :)

Throughout the 1930s until the outbreak of war, carrier-borne aircraft deployed to Ħal Far also practised torpedo attacks on defended harbours and stationary ships.

The outbreak of war on 3 September 1939 found no operational defence aircraft in Malta, and this dangerous situation existed well into 1940. However the British carried out maritime reconnaissance and anti-submarine patrols out of Ħal Far. But danger failed to materialise and the unit resumed its training role on 3rd October.

Furthermore due to RAF losses in France, and the awaited battle for Britain the situation made it impossible to provide for the air defence of Malta. It was much later when five aircraft were assigned in early March on charge of Hal Far Station. (Their full story is even narrated in the excellent article Gladiators in Malta, highly recommended if you're an air nut.)

Here it suffices to say that their operations from Ħal Far defending the Island in the face of overwhelming numbers of faster and more modern Italian bombers only two Sea Gladiators were kept airborne at anyone time - created a sense of heroism until Hawker Hurricane reinforcements arrived. Nevertheless they caught the imagination of the public which led to their nicknaming - "Faith", "Hope" and "Charity".

In 1941 when the Luftwaffe returned to Sicily and the last stage of the struggle for Malta commenced, raids on the Island intensified throughout months, even through 1942. There were many losses over the Ħal Far base as it, alongside "Port Il-Kbir" (aka The Grand Harbour) were major targets, including land fortresses such as Forti Rinella.

Due to these incessant raids, with lots of damage to aircraft, airfield buildings and loss of personnel resulted in loss of morale even with the Malta Hurricanes being out-classed by the German Messerschmitt Bf 109s. However the first Spitfires from the 185th Squadron were flown off the carrier USS Wasp arrived including the much-needed relief and material support that both Ħal Far and Malta desperately needed.

In April 1943, an Air Sea Rescue and Communications Flight was formed at Ħal Far with one Supermarine Walrus flown by a FAA crew. This was later augmented by a Bristol Beaufort, two Vickers Wellingtons and the last remaining Swordfish. However later that year, as the air raids started to die down, organisational changes were affected. Squadrons with Spitfire VBs, VCs and IXs, carried out offensive sweeps over Sicily in anticipation of an Allied invasion. This led to their station at Ħal Far to be short-lived, since they all moved to the newly-captured airfield of Comiso, in Sicily.

During these months as the offense in Italy moved forward, the airbases in Malta were used as a temporary resupply base as they later relocated into captured airfields within southern Italy.

Hopefully this information is of some use to you guys, especially since it relates to my country. :)