Home Business Pentagon official, Lockheed Martin pull out of Singapore Airshow as virus alert... Business Pentagon official, Lockheed Martin pull out of Singapore Airshow as virus alert level raised By Genpie - February 8, 2020 128 0 Facebook Twitter Google+ Pinterest WhatsApp The Pentagon shrunk the size of its delegation traveling to the Singapore Airshow and U.S. defence firms Lockheed Martin Corp and Raytheon Co said they would not attend, as the impact of the coronavirus has reduced participation in the event.