The British Army's Military Engineers

20 Works Group (Air Support)

A Specialist Air Infrastructure Support Unit

We prepare for and deliver consultancy, design, infrastructure, contract and programme management for air, aviation and Unmanned Aerial Surveillance (UAS) tasks at readiness. We support the Air and Land components on both current and contingent operations.

Facts and Figures


Active From




Infrastructure Support



Airfield Engineering

Our Skills

We employ military draughts people, surveyors, Clerk of Works, and Chartered Engineers in a variety of roles. Which include design, project and facilities management. We deploy on Operations frequently, completing technically complicated airfield infrastructure tasks around the world.

Our Skills Include:

  • Subject Matter Experts
  • Dynamic and responsive
  • Operationally focused
  • Highly deployable
  • Professional Engineers
  • Specialised teams
  • Team cohesion


We deploy worldwide at short notice, supporting all areas of Defence.

As the Royal Engineer's airfield engineering specialists, we regularly deploy to overseas airbases, supporting their airfield infrastructure requirements.

Previous Deployments

  • Romania - Operation BILOXI
  • Lithuania - Operation AZOTIZE

Our People

Our small teams include all ranks, utilising their specialist engineering skills.

The skills required to become an airfield infrastructure specialist are taught during various high quality and well resourced trade courses. Many of our courses are academically accredited, for which 20 Works Group believes is important as an investor in its people and has strong ethos in Continual Professional Development.

Our Location

20 Works Group is located in RAF Wittering, near Peterborough.

As the only Air focused Works Group, we are co-located with 12 Engineer Group (Force Support) and various RAF Units, with whom we deploy regularly. We also have personnel working at RAF Marham, RAF Waddington, RAF Coningsby and Wattisham Flying Station.

20 Works Group RE
RAF Wittering,

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Life in the Army

It's an exciting job! Sapper Howarth, 23

Life in the Army

As a Sapper, you will join a specialist team and work closely with a very skilled team utilising your trade. You will complete your class one trade course and return as a subject matter expert.

You will be given responsibility and be expected to organise a small team of your own.

As a subject matter expert, you will be consulted on many important decisions to help complete various engineering projects, to the highest standards.

As a Sapper, you will gain valuable trade experience, with the opportunity to work alongside civilian companies, as well as all Defence Services.

20 Works Group Timeline

20th Army Group Royal Engineers (Airfields) served in the 8th Army during the Second World War. It commanded three Airfield Construction Groups (14, 15 and 69). These Airfield Construction Groups consisted of Royal Engineer Road Construction Companies and Pioneer Corps Companies. Their role was to construct airfields in forward areas.

  1. 1940

    Part of the 8th Army in the Second World War.

  2. 1960

    12 Engineer Group formed, including Air Support.

  3. 1966

    RAF Airfield Construction Branch closed, moving to the RE.

  4. 1970

    RE Field Squadron created to support Harrier Force.

  5. 1988

    529 STRE (Air Sp) formed to deliver technical design skills.


Interested in joining the Corps of Royal Engineers?