9 Parachute Squadron RE is an airborne squadron of the British Army's Corps of Royal Engineers. It is part of 23 Parachute Engineer Regiment based at Rock Barracks in Woodbridge, Suffolk and provides close engineer support to 16 Air Assault Brigade Combat Team. It traces its heritage to the first Soldier Artificer Company raised in Gibraltar in 1772. The squadron remains the longest continually serving in-role fighting unit in Airborne Forces.

23 Parachute Engineer Regiment is a Royal Engineers regiment in the British Army that was formed in 2003. It provides engineer support to 16 Air Assault Brigade in both the parachute and Air assault role. The regiment is currently based at Rock Barracks in Suffolk and consists of three regular squadrons and one Army Reserve squadron. As part of 16 Air Assault Brigade it can be called upon to deploy on operations across the globe at extremely short notice.