(Editor's Note: This story has been updated with a statement from a Pentagon spokeswoman.) Lockheed Martin's chief executive said today the company has not yet received "direct feedback" from government customers about its proposed purchase of Aerojet Rocketdyne , but is hopeful "we'll have a mutual understanding of the benefits." Speaking to analysts on a call this morning, Jim Taiclet addressed questions about whether the company's deal would be approved by the government, pointing to Northrop Grumman's 2018 purchase...