AEROSPACE

5 Companies Agree to Share Labs, Workers: Five of the nation’s top aerospace firms have agreed to share laboratories and lab workers as a way of cutting costs. If successful, the agreement could open up an arena of cooperation among the five. The companies that signed the agreement are Boeing Co., McDonnell Douglas Corp., Lockheed Martin Corp.’s Lockheed Aeronautical Systems unit, Rockwell International Corp. and the B-2 and military aircraft divisions of Northrop Grumman Corp. The agreement calls for the companies to share laboratory resources by filling out an order form, rather than going through the process of subcontracting work to the other companies.