Abu Ishaq says that I asked Hazrat Zaid (may Allah be pleased with him), "How many expeditions did the Noble Prophet (peace and blessings be upon him) undertake?" He replied, "Nineteen." I asked him, "In how many expeditions did you participate?" He said, "I participated in seventeen of them." When I asked the name of the first expedition, he said, "Dhat al-Iysra or Dhat al-Ushayrah."