"Following the terrorist attacks in Rome and Vienna, the U.S. Navy began several "Freedom of Navigation" operations in the area around Libya in an operation named "Attain Document", the first two parts of the operation being held from 26–30 January, and 12–15 February, without incident.The third part of the operation began on 23 March, with a surface action group from the United States Sixth Fleet consisting of three aircraft carriers – , and ; five cruisers, six frigates, 12 destroyers, 250 aircraft and 27,000 personnel conducting three carrier operations near the gulf.