U.S. Says Pakistan Made Changes to Missiles Sold for Defense 
By Eric Schmitt and David E. Sanger | NY Times 
The United States has accused Pakistan of illegally modifying American-made missiles to expand its capability to strike land targets, a potential threat to India, according to senior administration and Congressional officials.
The charge, which set off a new outbreak of tensions between the United States and Pakistan, was made in an unpublicized diplomatic protest in late June to Prime Minister Yusuf Raza Gilani and other top Pakistani officials.
The accusation comes at a particularly delicate time, when the administration is asking Congress to approve $7.5 billion in aid to Pakistan over the next five years, and when Washington is pressing a reluctant Pakistani military to focus its attentions on fighting the Taliban, rather than expanding its nuclear and conventional forces aimed at India.
While American officials say that the weapon in the latest dispute is a conventional one — based on the Harpoon antiship missiles that were sold to Pakistan by the Reagan administration as a defensive weapon in the cold war — the subtext of the argument is growing concern about the speed with which Pakistan is developing new generations of both conventional and nuclear weapons.
“There’s a concerted effort to get these guys to slow down,” one senior administration official said. “Their energies are misdirected.” Read more .