Abraham Moskovitz has been appointed manager of reliability and quality assurance for Electronic Modules Corp. of Cockeysville.

Hugh E. Witt has been elected vice president-government liaison of United Technologies Corp. He will be based in Washington and will be responsible for maintaining liaison with all branches of the federal government.

The director of Atlantic Research Corp.'s Research & Technology Division has announced the promotion of Dr. Judith F. Kitchens to the position of manager of the eviromental science and engineering department. Kitchens, an atlantic Research employe for seven years, has worked extensively in the enviromental protection field. She was recently awarded a patent for the invention of a process to destroy toxic chemicals.

Martin Marietta Corp. has elected J. Peter Dunston as president of its Aggregates company, effective Aug. 1. Dunston, who has been a marketing executive for nine years, was executive vice president of Martin Marietta Aggregates, which is one of the corporation's five operating companies and a major producer of crushed stone, gravel and chemical-graded sand.

Henry W. Haeseker has been named regional vice president of Boyle Engineering Corp. He will be in charge of the company's Virginia and Florida offices, providing engineering services to the southeastern and Atlantic Coast States.

Dynalectron Corp. president and chief executive officer Charles G. Gulledge has been elected chairman of the Fairfax Economic Development Authority. Gulledge was appointed an authority commissioner in August 1978 and has served as vice chairman during the last fiscal year. He replaces Earle C. Williams, president of BDM International Inc. who has served as chairman of the authority since July 1978.

Laurence J. Adams has been named senior vice president and Caleb B. Hurtt, and Robert J. Whalen has been named corporate vice presidents of Martin Marietta Corp. Adams is president of Martin Marietta Aerospace and will continue in that position.