Is Pakistan willing to export ballistic missiles and/or nuclear weapon technology? If it was before, is it now?
Nawaz Sharif’s level of power in Pakistan currently – does his wealth and past positions extend to influence over something as top-level as Pakistan’s nuclear and missile programs?
Compare the level of Pakistan-Saudi military cooperation, visits, etc, with other Gulf countries, so we can see if the relationship with KSA is particularly high
Difficulties in the KSA-Pakistan military relationship – i.e., Pakistan’s refusal to send troops in to Yemen