Yes, Sebastian was a soldier in the Roman Army.
Since he was a Roman soldier, it is doubtful that George carried any saint into battle.
Luke was a doctor(Colossians 4:14)
There is not one that I can find, but I would recommend Saint Natalia, wife of Saint Adrian of Nicomedia. He was a Roman Soldier martyred for the faith and she cared for him and other Christians awaiting martyrdom before her death, which may have been a martyrs death also.
The patron saints of soldiers are:Acacius of ByzantiumAdrian of NicomediaFaithGeorgeIgnatius of LoyolaJames the GreaterJoan of ArcLonginus the CenturianLouis IXMartin of ToursMauriceMichael the ArchangelNicholas of MyraSebastianStanislaus of CracowTheodore StratelatesAs per the Patron Saint Index.
Yes, Saint Peter is really a saint. If he were not a saint he would not have that title.
Peter Leitch - soldier - was born in 1820-08.
Saint Peter's Basilica is larger than Saint Paul's.
Saint Peter was originally a fisherman.
As with the current Saint Peter's Basilica, the old basilica was dedicated to Saint peter the Apostle.
Peter Leitch - soldier - died on 1892-12-06.
There is no listing anywhere for a saint named Peter Clongson.
Peter Chanel is the patron saint of Oceania only.
Peter's tomb was found under Saint Peter's Basilica.
Saint Peter is fine and enjoying his life in heaven.
St. Peter the Apostle.
Saint Peter's Basilica is in the Vatican.