Question follow-through · 51568
F-35 Aircraft: Procurement
To ask the Secretary of State for Defence, pursuant to the Answer of 7 April 2025 to Question 42678 on F-35 Aircraft: Procurement, how many F-35Bs will receive the Block 4 upgrade.
About this written question
A written question asks a government minister for information in writing. Parliament publishes the question and any answer.
- Answering body
- Ministry of Defence
- Tabled
- 12 May 2025
- Target answer date
- 14 May 2025
- Answer
- 20 May 2025 · 8 calendar days after tabling
Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.
More questions by this MP on Defence and foreign affairs
- Warrior Vehicles: Sales · 13 May 2025
- RAF Wyton · 13 May 2025
- RAF Wyton · 13 May 2025
- F-35 Aircraft: Meteor Missiles · 13 May 2025
- F-35 Aircraft: Cruise Missiles · 13 May 2025
Shared topic keywords suggest a connection; they do not establish a follow-up.
Votes on this topic
- Opposition Day Motion: Defence spending and readiness - Prime Minister's Amendment · 23 Jun 2026
- Opposition day: Defence spending and readiness · 23 Jun 2026
- Armed Forces Bill Report Stage: Amendment 11 · 22 Jun 2026
These Commons divisions share a topic label. The question did not necessarily lead to a vote.
Recorded timeline
12 May 2025
Question tabled
To ask the Secretary of State for Defence, pursuant to the Answer of 7 April 2025 to Question 42678 on F-35 Aircraft: Procurement, how many F-35Bs will receive the Block 4 upgrade.
14 May 2025
Target answer date
Date supplied by the official written-questions record.
20 May 2025
Answer published
I can confirm the Department intends to upgrade the UK F-35B Lightning fleet with Block 4 modifications.
Official data retrieved 28 Sept 2026.
Later records
Possible follow-up questions
Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.
Warrior Vehicles: Sales
13 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 30 April 2025 to Question 44696 on Warrior Vehicles: Decommissioning, how many Warrior vehicles will be sold to private collectors.
RAF Wyton
13 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 12 May 2025 to Question 50259 on Armed Forces: Housing, when the workshop with Homes England to discuss RAF Wyton is scheduled to take place; and which stakeholders are due to be in atte
RAF Wyton
13 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 12 May 2025 to Question 50267 on Armed Forces: Housing, what discussions the new taskforce has had on RAF Wyton.
F-35 Aircraft: Meteor Missiles
13 May 2025 · To ask the Secretary of State for Defence, what the planned (a) in-service date and (b) date of integration with F-35B is for the MBDA Meteor ramjet-powered air-to-air missile.
F-35 Aircraft: Cruise Missiles
13 May 2025 · To ask the Secretary of State for Defence, what the planned (a) in-service date and (b) date of integration with F-35B is for the Spear 3 air-to-surface weapon.
Armed Forces: Housing
13 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 12 May 2025 to Question 50261 on Armed Forces: Housing, whether any of the remaining void properties not suitable for habitation are in Huntingdon constituency.
Armed Forces: Housing
14 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 12 May 2025 to Question 50261 on Armed Forces: Housing, what is his timetable for making the 3,049 void properties suitable for habitation.
Armed Forces: Protective Clothing
14 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 9 April 2025 to Question 43786 on Armed Forces: Protective Clothing, what hearing protection is currently issued to Specialist Users.
Armed Forces: Training
14 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 10 April 2025 to Question 44144 on Armed Forces: Training, what steps he has taken to help improve the OFSTED rating of the Defence Medical Academy.
Rifles: Decommissioning
14 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 4 March 2025 to Question 33142 on Ministry of Defence: Rifles, how will out of service (a) SA80A2 and (b) A3 variants be disposed of.
Armed Forces: Housing
15 May 2025 · To ask the Secretary of State for Defence, pursuant to the Answer of 14 May 2025 to Question 50625 on Armed Forces: Housing, how many service personnel have used the Forces Help to Buy scheme in each of the last five financial years.
F-35 Aircraft
16 May 2025 · To ask the Secretary of State for Defence, whether the Royal Navy’s Maritime Aviation Transformation Strategy has made a decision on the future of the F-35B Lightning fighter aircraft.