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In exchange for its investment in Lockheed Martin Series A preferred stock , GE acquired a Lockheed Martin subsidiary containing two businesses , an equity interest and cash to the extent necessary to equalize the value of the exchange , a portion of which was subsequently loaned to Lockheed Martin . In general , communications personnel should address three primary goals : collecting information , dispatching assistance , and informing the victim . Still others , such as the work on extended static checking , seem to strike a middle ground , sacrificing expressiveness for increased automation . The key , though , is timing . Having now detailed some of the idiosyncrasies that we encountered with our simple benchmark , let us return to the task at hand , and evaluate the benefit of a more flexible sequentiality metric to trigger read-ahead in NFS .