It is narrated from Sayyiduna Abu Musa (may Allah be pleased with him) that he said: We set out with the Messenger of Allah (peace and blessings be upon him) on a military expedition, and there was one camel for the six of us; we would take turns riding it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 10358