Will I (as a Reservist) continue to accrue my annual leave while I'm on military leave?

Yes. Being granted military leave provisions under the Volunteers Employment Protection Act 1973  means that your normal employment is viewed as uninterrupted and you are entitled to accrue your normal annual leave entitlement.

If a special holiday, such as a public holiday, falls within the period of protected military leave there is no requirement for your employer either to pay or accredit that special holiday to you.