Recently the USA has approved upgrade of Pakistanrsquo;s

Solution

The US has approved the potential sale of sustainment and related equipment for the upgrade of Pakistan rsquo; s F - 16 fighter aircraft fleet, in a deal valued at up to $450 million . Included in the upgrade are US government and contractor engineering, technical and logistics services for follow - on support of Pakistan rsquo; s F - 16 fleet . The upgrade is part of US military rsquo; s assistance to Pakistan under a policy in which it sold and upgraded F - 16s since the 1980s . It was in 1981 when the US agreed to sell the F - 16 jets to Pakistan in the aftermath of the Soviet invasion of Afghanistan . About Pakistan Capital : Islamabad Currency : Pakistani rupee Prime minister : Shehbaz Sharif About US : Capital : Washington, D . C . Currency : United States Dollar President : Joe Biden