Hadith 1037
Sayyiduna Zayd bin Khalid al-Juhani, may Allah be pleased with him, narrates that the Messenger of Allah, peace and blessings be upon him, said: Whoever equips a warrior in the path of Allah has (the reward as if) he himself participated in the battle, and whoever takes good care of the family of a warrior has (the reward as if) he himself participated in the battle.
Hadith 1038
Sayyiduna Abu Sa‘id Khudri (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings of Allah be upon him) dispatched an army towards Banu Lihyan and said: Out of every two men, one should go, but the reward will be given to both.