Underway 6 June, she transited the Straits of Gibraltar and reached Rhodes on the morning of 20 June. For the next three weeks, "Barry" operated with 6th Fleet, conducted standard ASW exercises, until 14 July when a coup, organized by young military officers, seized Baghdad and declared a republic in Iraq. The Lebanese government, led by a Christian president, Camille Chamoun, feared a similar revolution might grow out of a Pan-Arab insurgency active in the Bekaa, Tripoli, and Beirut. President Camille Chamoun, following a pro-western policy, immediately requested that the United States land troops to stabilize the situation between Christians, Muslims, and Druze. President Eisenhower honored the request and, fearing the spread of Egyptian and Syrian influence, ordered Marines to Lebanon that same day.