The Pakistan Air Force today received its first three of 18 Lockheed Martin Corp. F-16s that the U.S. hopes will give the Afghan neighbor nation a crucial edge against Taliban and al-Qaeda fighters in its northwest. The aircraft give the Pakistan Air Force a night-attack capability and all-weather precision targeting, “an unprecedented advantage they have not had,” said Vice Admiral Michael Lefever, head of the U.S. military mission in Islamabad. He predicted that the most up-to-date version of the fighter aircraft could be pressed “fairly quickly” into air operations against the Taliban, al-Qaeda and other insurgents in the ungoverned northwest...