Hello,
If you look at page 62 on the armed forces pay review you will get an idea of what the rank and pay structure is like for the armed forces.
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/921745/CCS207_CCS0520587976-007_00_AFPRB_2020_Aug_Amend_E-Laying.pdf
CMTs can promote up the ranks in the same way other soldiers do.
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