(6) باب مَا جَاءَ فِي فَضْلِ مَنْ جَهَّزَ غَازِيًا
Narrated Zaid bin Khalid Al-Juhani:
That the Messenger of Allah (ﷺ) said, "Whoever prepares a fighter in Allah's cause, he has participated in a military expedition, and whoever looks after the family of a fighter, he has participated in a military expedition."[Abu 'Eisa said:] This Hadith is Hasan Sahih, and it has been reported through more than one route.
Reference: Jami` at-Tirmidhi 1628
In-book reference: Book 22, Hadith 10
English translation: Vol. 3, Book 20, Hadith 1628