(29) باب مَنِ اخْتَارَ الْغَزْوَ عَلَى الصَّوْمِ
Narrated Anas bin Malik:
In the life-time of the Prophet, Abu Talha did not fast because of the Jihad, but after the Prophet (ﷺ) died I never saw him without fasting except on `Id-ul-Fitr and `Id-ul-Aclha.
Reference: Sahih al-Bukhari 2828
In-book reference: Book 56, Hadith 44
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 52, Hadith 81