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
← Previous Hadith It has been narrated on the authority of Buraida (who heard the tradition from his father) that the Messenger of Allah (ﷺ) conducted nineteen military campaigns and he (actually) fought in eight of them.

Sahih Muslim Book 32, Hadith 177 Next Hadith → 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