US approves sale to Germany of Arrow 3 anti-ballistic air defense missile systems
The Arrow 3 is a missile defense system developed by Israel and the US for intercepting & destroying ballistic missiles outside the Earth's atmosphere
Northrop Grumman test fires first stage of Sentinel nuclear missile
The land-based leg of the triad consists of about 450 Minuteman III missiles located in hardened underground bunkers in the middle of the continental US
Scientists discover how to make electricity “out of thin air”
A hydrogen-consuming enzyme from a common soil bacterium is able to generate an electrical current using the atmosphere as an energy source
