 Following the Options for Change review in 1993, 4 PARA amalgamated with the 15th (Scottish) Battalion of the Parachute Regiment (XV PARA), which was downsized and became 15 (Scottish) Company of 4 PARA.As part of further changes in 1999 (Strategic Defence Review), the Battalion also merged with the 10th (Volunteer) Battalion which then became 10 (London) Company.Under the Army 2020 plan, it will form as a reserve air assault infantry battalion of 16 Air Assault Brigade.