In 2019, the RN was offered the Littoral Strike Ship, almost readily available on an affordable wet-lease charter. Instead, in 2022, it was decided to run RFA Argus past 2030 (at that point, 41 years old).
A closer look at the Littoral Strike Ship concept can be read on the link:
https://www.navylookout.com/a-closer-look-at-the-littoral-strike-ship-concept/
Arkies Naval News and Photos 