All the developed or underdeveloped countries five their soldiers or policeman a nice secure car but in Pakistan police and army are given "tooty phooti" hilux. We need to upgrade our police cars in order them to attain much better efficiency from them.
We needed instant replacement for our old ships and at that time our relation with RUSSIA was not that great. Even today we can not say that Russia "will" sell us military equipment.
Dekhain Janab F-16 is a multirole medium aircraft while JF17 is a light multirole aircraft. F16 have much more powerful engine than JF17. They have to camparison in payload.
Sir I dont know about anyone else but I have a feeling or a belief that PAF operates many types of UCAV but they are not public. I think mostly are from China.