The BBC article refers to it as an initial period, so I'd assume it can be extended. > There, the UK will ensure operation of the military base for "an initial

The BBC article refers to it as an initial period, so I'd assume it can be extended. > There, the UK will ensure operation of the military base for "an initial period" of 99 years. https://www.bbc.co.uk/news/articles/c98ynejg4l5o https://www.bbc.co.uk/news/articles/c98ynejg4l5o