UPenn lists them as one of the top security think tanks. I already noted that they are frequently used as sources for top news sources, and collaborate with top universities in International and Govermental studies.
When I asked if that doesn't qualify as experts then who would, you said you could provide equally credentialled sources who say the opposite.
If you want additional sources that are non-SIPRI:
Reuters/ Jane's Intelligence: www.reuters.com/article/us-india-nuclear/india-nuke-enrichment-plant-expansion-operational-in-2015-ihs-idUSKBN0EV0JN20140620
Carnegie Endowment: carnegieendowment.org/2016/06/30/pakistan-s-nuclear-force-structure-in-2025-pub-63912
Science Advances: advances.sciencemag.org/content/5/10/eaay5478#:~:text=As%20shown%20in%20Fig.,1%2C%203%E2%80%935).&text=Pakistan%20is%20developing%20capabilities%20for%20sea%2Dbased%20nuclear%20weapons.
If these aren't good, let me know and I'll find more. It's a pretty well accepted fact among proliferation experts.
Thanks, @NaturalBornTraveller
When I asked if that doesn't qualify as experts then who would, you said you could provide equally credentialled sources who say the opposite.
If you want additional sources that are non-SIPRI:
Reuters/ Jane's Intelligence: www.reuters.com/article/us-india-nuclear/india-nuke-enrichment-plant-expansion-operational-in-2015-ihs-idUSKBN0EV0JN20140620
Carnegie Endowment: carnegieendowment.org/2016/06/30/pakistan-s-nuclear-force-structure-in-2025-pub-63912
Science Advances: advances.sciencemag.org/content/5/10/eaay5478#:~:text=As%20shown%20in%20Fig.,1%2C%203%E2%80%935).&text=Pakistan%20is%20developing%20capabilities%20for%20sea%2Dbased%20nuclear%20weapons.
If these aren't good, let me know and I'll find more. It's a pretty well accepted fact among proliferation experts.
Thanks, @NaturalBornTraveller