To ask the Secretary of State for Defence, pursuant to Answer of 6 May 2020 to Question 41912 on Type 23 Frigates, how many days each Type 23 Frigate was at sea in the years (a) 2018, (b) 2017, (c) 2016 and (d) 2015.

To ask the Secretary of State for Defence, how many days each Type 45 Destroyer was at sea in (a) 2015, (b) 2016, (c) 2017, (d) 2018 and (e) 2019.

The information requested is provided in the following tables.

Type 23 Frigates:

Type 45 Destroyers:

The normal operating cycle of every ship involves them entering different readiness levels depending on their programmes, periods of refit and Departmental planning requirements. In addition, these figures represent days at sea, and it should be noted that, while deployed away from the UK, ships will spend both days at sea and alongside in ports around the world.