21. On 18 February, " Bagley " resumed normal operations in the southern California operating area . 22. LRT retaliated by extending services beyond the city boundary and deeper into Eastern's operating area . 23. The purpose of these forward operating areas was stabilization. 24. That still has to be our base operating area . 25. The destroyer underwent shakedown training in Casco Bay, Maine, and in the Bermuda operating area . 26. While at Subic Bay, she received orders to proceed to the Indian Ocean operating area . 27. She resumed ASW training on the 28th while in transit to the Okinawa operating area . 28. After several days in port, she began battle practice training in the Hawaiian operating area . 29. Spanish soldiers, part of a 150-member force, swiftly erected a field hospital, complete with operating area . 30. Initially, upon deregulation, Highland continued to enjoy the monopoly position across much of its operating area .