Which companion is known as the first military commander of Islam, leading the first military expedition?

Explanation

– Zaid bin Haritha (RA) is recognized for leading several early military expeditions and was notably named the commander of the Muslim army at the Battle of Mu’tah.
– He held a special status as the freed slave and adopted son of the Prophet (PBUH), and is the only companion mentioned by name in the Quran.
– For exams, remember that Surah Al-Ahzab, verse 37, specifically references Zaid bin Haritha (RA) regarding matters of adoption and marriage.