I joined seven military expeditions led by the Messenger of Allah himself (ﷺ), and nine expeditions which he sent out once under Abu Bakr and once under Usama b. Zaid.
Sahih Muslim Book 32, Hadith 179
← Previous Hadith It has been narrated by Buraida who heard it from his father that he joined the Messenger of Allah (ﷺ) in sixteen military campaigns

Sahih Muslim Book 32, Hadith 178 Next Hadith → The (foregoing) tradition has also been narrated on the authority of Hatim through the same chain of transmitters with the difference that according to this version both these types of expeditions were seven in number.

Sahih Muslim Book 32, Hadith 180