11.   Sailors on U.S. ships that routinely stopped to refuel at Aden rarely went ashore, so Americans in uniform had been a rare sight.

12.   The target was a U.S. warship that had stopped to refuel, said the official, who spoke on the condition of anonymity.

13.   The target was a U.S. warship that had stopped to refuel, the official said.

14.   The target was another U.S. warship that had stopped to refuel, said the official, who declined to be identified.

15.   The target was another U.S. warship that had stopped to refuel, the official, who declined to be identified.

16.   The plane, which stopped to refuel in Calcutta, had originally been scheduled to arrive Sunday.