Sayyidah Rubayyi' bint Mu'awwidh bin Afra' al-Ansariyyah (may Allah be pleased with her) said: We used to go out on military expeditions with the Messenger of Allah (peace and blessings be upon him). We did not fight; rather, we gave the fighters water to drink and treated the wounded.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21071