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Zarvan
FMS items are not free. Its more like a garage sale the US military does for its allies in order to make room for latest hardware.
M-270s transfer to Pakistan just like the transfer of 3 OHP class ftigates depends on politics and money.
Even after they are transfered, we'd have to pay for upgrades. Should the US refuse the sale of M-270s and OHPs, we can go for SY-400, or further development of Hatf IX.
F-23 enhanced frigates have stealth design, similar to the DCNS FREMM class frigates. It comes with HQ-16 or DK-10 VLSAM, CIWS and C-802A package along with advanced sensors. Four of those ships will serve us well if we don't get the OHPs.