June 11, 2009 3:48 pm America's First Line of Defense Against Missile Attacks The 7th Space Squadron Wing at California’s Beale Air Force Base is ten stories high, has 34,000 antennae and has one of the highest security levels in the nation. US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:43 World reacts to death of Iran's president 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 1:33 Police involved in shooting at car repair shop in East Hartford