Definitely, TexasJohn. In fact, the USAF and USN used embargoed PAF F-16s for training as well (check this page out, for instance: http://www.f-16.net/f-16_serials_airforce-PAF-num46.html ).
Not exactly relevant to the average Pakistani soldier, but interesting nonetheless:
"Partners In The Global Struggle: U.S. Embassy Delivers Counternarcotics Equipment To The Anti-Narcotics Force Vehicles and Security Equipment worth $850,000
12/16/2006
Islamabad - Today U.S. Ambassador...
Here is an article about the same thing:
"U.S. Delivers Eight Cobra Attack Helicopters To Pakistan Army
02/02/2007
(Crocker Reaffirms Long-term and Strategic U.S. Commitment to Pakistan)
Islamabad – The U.S. Ambassador to Pakistan, Ryan C. Crocker, handed over on Friday eight...
The embargoed PAF F-16s stored in the US are kept in flyable condition. Because of their low flight hours, the aircraft have extended airframe lives.
"As a result, in accordance to the Pressler amendment to the Foreign Assistance Act, which forbids military aid to any nation possessing a...
Check this out:
http://dsc.discovery.com/fansites/future-weapons/weapons/zone1/moab-bomb.html
I urge you all to watch the videos that show this (MOAB) in action as well. (The videos are on the same site.)