The Erkiletian Construction Co. has announced that the Hudson Institute/Center for Naval Analyses has moved into Park Center II, a 14-story commercial office building located at King Street and Shirley Highway in Alexandria.

The Hudson Institute/CNA is a nonprofit corporation that conducts research for the Navy and Marine Corps, the office of the Secretary of Defense and the intelligence community.

The lease includes 155,000 square feet of the building's 218,000 square feet. Park Center II is the second of six planned buildings in the Park Center complex. Smithy Braedon served as leasing agent.

Other recent developments in commercial realty in the Washington metropolitan area:

*Burson-Marsteller has announced that it will move its Washington operations to 1850 M St. NW. The firm initially leased the building's ninth floor, which consists of 20,400 square feet.

*Blake Construction Co. Inc. announced the following leasing transactions at 1025 Connecticut Ave. NW.: the Health Insurance Association of America has leased 24,699 square feet; the Society of the Plastics Industry has leased 6,671 square feet; and the American Insurance Association has leased 1,581 square feet. The total value of the transactions is approximately $7.4 million.

*The Edw. R. Carr Cos. Inc. have announced that Military Training Associates Inc. and Mantech Mathetics have leased space in a defense-related joint venture at One Beltway Center, an 80,000-square-foot office building located at the Rte. 1/Capital Beltway interchange in Alexandria.

Military Training has leased 19,000 square feet, and Mantech Mathetics has leased 5,000 square feet. Coldwell Banker represented both tenants and landlord in the transaction, which totaled approximately $1.1 million.

*The Dutch Institutional Holding Co. has announced the following leasing transactions at TransPotomac Plaza, a five-building, 300,000-square-foot office project: Pannell Kerr Forster, an accounting firm, has leased 10,440 square feet, and Holiday Inns Inc. has leased 2,366 square feet.

The office project is located at 99 Canal Center, Alexandria. Rubloff Inc. represented the landlord in both transactions.

*Spaulding and Slye announced that Winchester Homes, the home-building subsidiary of Weyerhaeuser Co., has signed a lease for 7,835 square feet at 2 Rockledge Centre, 6701 Rockledge Dr., Bethesda.