Fausti was born in Bracciano (RM) on 2 August 1918.

The 13^o Gruppo (77^a, 78^a and 82^a Squadriglie) of the 2^o Stormo C.T. was commanded by Maggiore Secondo Revetria and started the war based at Tripoli Castelbenito airfield with twenty-five CR.42s and eleven CR.32s on hand (the CR.32s, kept as a reserve, were later passed on to the 50^o Stormo Assalto) to guard against a possible French attach from the west.
Pilots in the 77^a Squadriglia were: Capitano Mario Fedele (CO), Tenente Eduardo Sorvillo (recently arrived from 4^o Stormo), Tenente Giulio Torresi, Sottotenente Gianmario Zuccarini, Sottotenente Mario Fabbricatore, Sergente Maggiore Ernesto Scalet, Sergente Maggiore Leone Basso, Sergente Maggiore Fausti, Sergente Raoul Scodellari, Sergente Ernesto Paolini, Sergente Enrico Botti (recently arrived from 53^o Stormo), Sergente Amedeo Benati and Sergente Vincenzo Campolo. These pilots had twelve CR.42s (including Maggiore Revetria’s and Colonnello Federici’s) (eight combat ready and three still under assembly) and four CR.32quaters.

On 18 June, the 77^a Squadriglia moved to Tobruk T2.

At dawn on 29 June, Blenheims again bombed the airfield of Tobruk T2. Ten fighters from the alarm patrol of the 2^o Stormo took off at 06:40 following the air alarm given by the Navy with two cannon shots and intercepted the Blenheims over the airfield. The intercepting fighters were four CR.42s from the 94^a Squadriglia (Capitano Franco Lavelli, Sottotenente Nunzio De Fraia, Sergente Maggiore Alessandro Ruzzene and Sergente Maggiore Arturo Cardano), two CR.42s from the 92^a Squadriglia (Maggiore Vincenzo La Carruba and Tenente Riccardo Marcovich, who possibly was using a borrowed aircraft from the 93^a Squadriglia together with one of the pilots from the 94^a Squadriglia) and four CR.42s of the 77^a Squadriglia (Capitano Mario Fedele, Sottotenente Giulio Torresi, Sottotenente Gianmario Zuccarini, Sergente Maggiore Fausti). Fedele was slow in taking off because of engine problems and arrived when the combat was already finished but the others attacked the British formation, which was estimated to nine Blenheims.
Sottotenente Torresi reached the bombers at six-o'-clock and attacked the last Blenheim, which, after three strafes, caught fire and fell. Then, avoiding defensive fire, he attacked another bomber and shot it down. In the meantime, Sottotenente Zuccarini claimed a bomber with a second as a probable while Sergente Maggiore Fausti continued to attack two stragglers that he finally caught over the open sea, shooting down both. Zuccarini, wounded in the knee and with the aircraft damaged in the oil tank by return fire, succeeded to return and force landed at the top of a cliff close to the sea, 25 kilometres from Tobruk, damaging also the landing gear in the process. Sottotenente De Fraia claimed a sixth bomber. Totally, the pilots from the 77^a Squadriglia used 2200 rounds of ammunition while those of 94^a Squadriglia used 500 rounds.
It seems that they had been involved in combat with Blenheims from 113 Squadron, which lost three aircraft. Blenheim Mk.IV L8436 flown by Pilot Officer D. Pike was reportedly damaged by flak and ditched; Pike, Sergeant R. Lidstone and Sergeant J. Taylor were rescued and taken PoWs. Blenheim Mk.I L8447 flown by 31-year-old Flying Officer Walter Ronald Price Knight Mason (RAF no. 70450) was shot down in flames by fighters and Mason, 28-year-old Sergeant James George Juggins (RAF no. 562162) and 21-year-old Sergeant George Kenneth Biggins (RAF no. 550227) were all killed. Enemy fighters also shot down Blenheim Mk.I L8522 flown by 27-year-old Flight Sergeant Ralph Harry Knott (RAF no. 590277) in flames and Knott, 22-year-old Sergeant James Douglas Barber (RAF no. 745841) and Leading Aircraftman James Patrick Toner (RAF no. 610188) were all killed.
Torresi, Zuccarini and Fausti (in the 77^a Squadriglia’s and 13^o Gruppo’s Diaries, Fausti is credited with two individual victories while the proposal of the Medaglia d’argento al valor militare speaks of a first plane shot down in cooperation with two unknown pilots and a second one individual) were all proposed to be awarded with the Medaglia d’argento al valor militare after this combat.
Zuccarini was recovered from the sea by a Navy team from a minesweeper but his aircraft was too far from whatever road and the coast was too high so it was probably abandoned. In fact it seems likely that the aviation historian Franco Pagliano, then an officer of the Air Force was charged with the recovery of this particular plane and told the story of this operation inside the short novel “The Abyss” in his 1969’s book “In cielo ed in terra”. According with this novel his mission that day was only to recover the most precious instruments, to asses the damage suffered by the plane and to destroy its guns. The recovery of the complete plane was judged too difficult. Pagliano was astonished by the skill demonstrated by the pilot that was able to land a plane in that position. Without deliberately crashing the landing gear the plane would probably had fallen down the escarpment that was only ten metres apart, causing the death of its occupant.

In the beginning of July the Gruppi of the 2^o Stormo, were temporarily alone on the front line since the departure of the 10 Gruppo to Bengasi Berka “K” for the revision and refitting of its fighters. Part of the 8^o Gruppo (total force unknown but comprising of elements of the 93^a and 94^a Squadriglie) was detached from “T2” to Menastir “M” airfield (that the British called Monastir) near the fortified village of Bardia.

At this time Fausti was on temporarily loan to the 93^a Squadriglia, 8^o Gruppo.

At 12:10 on 4 July, three fighters from the 93^a Squadriglia (Colonnello Angelo Federici (the Stormo CO), Tenente Domenico Bevilacqua and Sergente Maggiore Fausti) joined the other fighters from the 2^o Stormo at Menastir.

In the evening on the same day, at about 18:00, six 33 Squadron Gladiators flying in two sections escorted a Lysander from 208 Squadron flown by Flying Officer Brown over the Capuzzo-Bardia area. Nine CR.42s were seen taking off from Menastir Landing Ground west of Bardia and the Gladiators dived to attack. The No. 2 section, led by Flying Officer Gray-Worcester and including Flight Sergeant Cottingham and Pilot Officer Eric Woods, attacked just as the enemy fighters left ground and Gray-Worcester shot down four of them while Cottingham claimed two and Woods claimed one. The remaining two CR.42s made good their escape.
The British pilots reported that the Italians scrambled more fighters and five CR.42s were attempting to get airborne just as the other three Gladiators, all flown by 112 Squadron pilots (Flying Officer Price-Owen, Flying Officer R. H. Smith and Flying Officer R. J. Bennett), decided to join the fray. Taking the barely flying CR.42s by surprise Smith and Bennett each claimed one shot down.
Price-Owen was forced to leave his aircraft (Gladiator II N5751) after an explosion in the fuselage over Buq-Buq. He parachuted safely and came down 15 miles inside the Egyptian Border. Post war British studies suggested that his aircraft was possibly hit by own anti-aircraft but it seems this was not the case. In fact, Flight Lieutenant Joseph Fraser reported:

“During July 1940, pilots from 112 Squadron, on detachment at Sidi Barrani, were gaining operational experience rapidly and many dogfights resulted around the bay of Sollum between Gladiators and CR 42s, for the CR 42 pilot had not yet learnt to respect the Gladiator – his senior, with its greater manoeuvrability. It was during one of these flights that F/O Price-Owen was badly shot up, though uninjured himself, and then decided to bale out. However, unfortunately, he was wearing a parachute belonging to a friend of far greater stature and on pulling the rip cord, the loose harness gave him a very severe jerk between his legs which almost cost him his manhood – a very serious matter with Price-Owen. He was incapacitated for some time and posted from the Squadron.”

At the time of his death, Fausti was credited with 2 biplane victories.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1940
1	29/06/40	06:40-	1	Blenheim (a)	Destroyed	Fiat CR.42		Tobruk T2	77a Squadriglia
2	29/06/40	06:40-	1	Blenheim (a)	Destroyed	Fiat CR.42		Tobruk T2	77a Squadriglia

Biplane victories: 2 destroyed.
TOTAL: 2 destroyed.
(a) Probably claimed in combat with Blenheims from 113 Squadron. Italian fighters claimed six and one probable. 113 Squadron lost three aircraft. L8436 flown by Pilot Officer Pike was damaged by flak and ditched; the crew became PoWs. L8447 flown by Flying Officer W. R. P. K. Mason was shot down in flames by fighters and the crew was killed. L8522 flown by Flight Sergeant R. H. Knott was shot down in flames by fighters and the crew was killed.

Sources:
2^o Stormo - Note storiche dal 1925 al 1975 - Gino Strada, 1975 USSMA, Rome, kindly provided by Stefano Lazzaro
112 Sqn "Shark Squadron" 1939 - 1941 - Andre R. Zbiegniewski, 2003 Miniatury lotnicze 15, Kagero, Lublin, ISBN 83-89088-55-X
Centauri su Torino - Giancarlo Garello, 1998 Giorgio Apostolo Editore, Milan, kindly provided by Stefano Lazzaro
Desert Prelude: Early clashes June-November 1940 - Håkan Gustavsson and Ludovico Slongo, 2010 MMP books, ISBN 978-83-89450-52-4
Diario Storico 77^a Squadriglia kindly provided by Ludovico Slongo.
Elenco Nominativo dei Militari dell’ A. M. Decorati al V. M. Durante it Periodo 1929 - 1945 1 Volume A - L
Fighters over the Desert - Christopher Shores and Hans Ring, 1969 Neville Spearman Limited, London
Gloster Gladiator Aces - Andrew Thomas, 2002 Osprey Publishing, London, ISBN 1-84176-289-X
L’8^oGruppo caccia in due conflitti mondiali - Giuseppe Pesce, 1974 S.T.E.M. Mucchi, Modena, kindly provided by Ludovico Slongo
Shark Squadron - The history of 112 Squadron 1917-1975 - Robin Brown, 1994 Crécy Books, ISBN 0-947554-33-5
Stormi d'Italia - Giulio Lazzati, 1975 Mursia, Milan, kindly provided by Ludovico Slongo
The Bristol Blenheim: A complete history – Graham Warner, 2002 Crécy Publishing Limited, Manchester, ISBN 0-947554-92-0
The Commonwealth War Graves Commission
The Desert Air War 1939 – 1945 – Richard Townshend Bickers, 1991 Leo Cooper, London, ISBN 0-85052-216-1, kindly provided by Ludovico Slongo
Additional information kindly provided by Vincent Biondi, Chris Goss, Stefano Lazzaro and Ludovico Slongo