I mean, a quadpackable sam is always a benefit. It frees up space for more anti ship or asw missiles, possibility even a few long range sams.It goes back to what the mission requires
The Type-054A already has 32 VLS cells. Why do they need more SAMs, considering that their mission is
1. Rear area convoy (ASW and Medium-Range Air Defence)
2. ASW under friendly air cover or with Destroyers carrying long-range SAMs
3. Resupply and reloading is from nearby homeports
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I think we will see a quad packable MR-SAM for the UVLS
But remember the primary users will be the Destroyers, not Frigates
So far there are 25 Type-052D and 8 Type-055
And we're probably looking at another 20 Type-052D and 8 Type-055 in the 2021-2025 plan
That works out as a total of 4672 VLS cells available
The Destroyers already have LR-SAMs available, and a smaller number of MR-SAMs would complement this
If they deem it too expensive they could just leave it fitted for but not with