TF2000 is not a operational design. In fact it doesn't exist yet in full form.
And they need mid size printed vem frigate design. Not destroyer equivalent. Which they already have.
The US Navy was going to produce a new class of Frigates based on the Italian FREMM design, but the project was a major failure and was cancelled.
The USA Navy modified the original FREMM design to adapt the Ship to its own survivability standards and integrate heavy systems such as the Aegis CMS and AN/SPY-6 Radar
At that time, the US would not use its own systems in these small Frigates
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The Asia Pacific region (particularly the Taiwan Strait and the South China Sea) is an area where the massive American Destroyers have difficulty maneuvering.
Then , Turkiye's ISTFIF class Frigate can provide significant operational advantages for the USA Navy, particularly in high-threat environments like the South China Sea, which are characterized by islands and shallow waters
-- ISTIF class Frigate can be equipped with MK-41 VLS to carry 64 ESSM SAMs
-- Turkish ADVENT network centric CMS is unique and highly capable to compare with Japan and Korean one .... or USA can use its own COMBATSS-21 CMS
-- We can use CENK-350N AESA Radar on ISTIF Frigates to provide 360 degree uninterrupted coverage and situational awareness
-- Turkish ISTIF Frigate carry 16 x anti-ship Missiles while Japan's and Korean Frigate carry 8 x anti-ship Missiles
-- Turkish ISTIF armed with 35 mm GOKDENIZ CIWS to intercept even kamikaze Drones
-- The MİLGEM hull features one of the quietest acoustic designs in the world
Thanks to its advanced sonar system mounted on its hull and its stealthy navigation capabilities, it can monitor and hunt down Chinese Submarines in narrow passages much better than Destroyers
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Technologically, Turkiye can provide the USA with a formidable Frigate.
but , Turkiye's disadvantage is its geographical distance
Japan and South Korea are already located right on the coast of the South China Sea. When the US chooses the Mogami Frigate, the Ship's maintenance, repairs and logistical support can be done directly in Japan, an ally in the region.