By 
Directed energy weapons would be ideal for countering many of the anti-access, area-denial threats that peer nations pose to the United States in wartime, but technology has not progressed to the point where those weapons are operationally useful, the Pentagon's chief weapons buyer said Tuesday.Since the U.S. military in 1991 demonstrated the capability of its precision munitions during the first Gulf War, potential competitors like China, Russia and Iran have invested in similar systems, Undersecretary of Defense for Acquisition, Technology…
