c**i
发帖数: 6973 | 1 Shane Roberts, New Angle on Laser Missile Defense. American Chronicle, Oct.
10, 2008.
http://www.americanchronicle.com/articles/77150
Quote: "Northrop Grumman now has demonstrated a third. This one is attached
to a UAV and watches for missiles as it circles about 10 miles above an
airport.
Note:
UAV stands for "unmanned aerial vehicle."
American Chronicle is an online magazine.
My comment: When the airliner are taking off or landing, it is vulnerable to missile attack. Not only the altitude is l |
|
