|Born ||12 Nov 1908||Rome|
|Died || 2003||(94)||Rome|
| || ||Croce di guerra al valore militare|
|20 Jan 1946|| ||Croce di guerra al valore militare|
|21 Nov 1949|| ||Medaglia d'argento al valore militare|
Career informationARCHIMEDE (T.V. C.O.): from 18.04.1940 to 30.11.1940.
Commands listed for Mario Signorini
|Archimede (AH, I.31)||Ocean going||T.V.||18 Apr 1940||30 Nov 1940|
Ships hit by Mario Signorini
No ships hit by this Commander.
War patrols listed for Mario Signorini
| ||Submarine||Date||Time||Port||Arr. date||Arr. time||Arr. port||Miles||Description|
|1.||Archimede (AH, I.31)||19 Jun 1940||1430||Massawa||26 Jun 1940||0840||Assab||991,6||Patrolled off Aden (or the French colony of Djibouti?). Mission aborted due to a failure in the air conditioning system. Six ratings died.|
| || ||20 Jun 1940|
(0) Off Aden.
|During the day, several crew members of Archimede became sick. Initially, this was believed to have been caused by spoiled food. It was actually due to a failure of the air conditioning system.|
| || ||26 Jun 1940||1000?||13° 15'N, 42° 55'E|
(0) At Assab.
|Archimede was anchored in Assab harbour when she came under attack by three Blenheim bombers. The nearest bomb missed by 20 yards and caused no damage.|
|Archimede (AH, I.31)||3 Jul 1940||1900||Assab||4 Jul 1940||1510||Massawa||257||Passage Assab to Massawa for repairs. The boat was ready to resume sailing on 31 August.|
|Archimede (AH, I.31)||5 Aug 1940||0645||Massawa||5 Aug 1940||1800||Massawa||65,5||Exercises.|
|Archimede (AH, I.31)||13 Aug 1940||0645||Massawa||13 Aug 1940||1800||Massawa||42,2||Exercises.|
|Archimede (AH, I.31)||17 Aug 1940||0700||Massawa||17 Aug 1940||1608||Massawa||39,5||Exercises.|
|Archimede (AH, I.31)||9 Sep 1940||0800||Massawa||9 Sep 1940||1745||Massawa||53,5||Exercises.|
|Archimede (AH, I.31)||18 Sep 1940||1150||Massawa||18 Sep 1940||1800||Massawa||38||Exercises.|
|2.||Archimede (AH, I.31)||19 Sep 1940||2140||Massawa||23 Sep 1940||1320||Massawa||585||Patrolled between Gabel Tair and 19° North.|
|3.||Archimede (AH, I.31)||5 Oct 1940||1030||Massawa||11 Oct 1940||1200||Massawa||502,5||Patrolled in southern Red Sea.|
|Archimede (AH, I.31)||16 Oct 1940||0735||Massawa||16 Oct 1940||1110||Massawa||25,5||Exercises.|
|4.||Archimede (AH, I.31)||24 Oct 1940||1300||Massawa||30 Oct 1940||1040||Massawa||534,5||Patrolled in southern Red Sea.|
|5.||Archimede (AH, I.31)||22 Nov 1940||1200||Massawa||28 Nov 1940||1000||Massawa||586||Patrolled in southern Red Sea.|
| || ||25 Nov 1940||Date approx.||On about 25-26th November 1940, Archimede may have attacked an enemy convoy (perhaps convoy S.W.3, the same one attacked by Ferraris) in the Red Sea. No details are available as her patrol report has not survived.|
13 entries. 12 total patrol entries (5 marked as war patrols) and 3 events.