Silsilah as-Sahihah 3057 — Dua for Bidding Farewell to an Army

Sayyiduna Abdullah bin Zayd Khatmi رضي الله عنه narrates that when the Messenger of Allah صلى الله عليه وسلم would bid farewell to an army, he would say: "I entrust your religion, your trust, and the outcomes of your deeds to Allah."