AOL these days fills only a little more than half of its original 1.2 million-square-foot Virginia home, the Washington Post reports. Several of the buildings were recently leased to Raytheon, a defense contractor. Key AOL executives have moved to New York. On May 24, as the company competes for a place in the internet’s future, AOL will look back, naming some of its remaining properties in Sterling after three key executives who built the firm: Case, Ted Leonsis and James V. Kimsey. The three titans left AOL either before or after its disastrous merger, valued at more than $160 billion, with Time Warner. “The AOL brand has one of the biggest legacies in terms of what has changed the world in the last 50 years,” said Tim Armstrong, a former Google executive who was named AOL’s chief executive in March 2009…