
Lockheed Martin [LMT] on Monday said that Marillyn Hewson on June 15 will retire as president and CEO of the nation’s largest defense contractor and be succeeded by James Taiclet, the current executive chairman, president and CEO of American Tower Corp. [AMT], a global provider of telecommunications real estate for wireless infrastructure. Hewson, 66, who has served as chairman, president and CEO since 2014 and as president and CEO since 2014, will continue as executive chairman of the $59.8 billion…