Grenadier Guards (London District) 2nd Battalion (The Green Howards), Yorkshire Regiment (19th Light Brigade) 1st Battalion (Royal Welch Fusiliers), The Royal Welsh (1st Mechanised Brigade) 3rd Battalion, The Rifles (52nd Infantry Brigade) 1st Regiment, Royal Horse Artillery (3rd (UK) Mechanised Division) 28th Engineer Regiment, Royal Engineers (1st (UK) Armoured Division) 10th (Queen's Own Gurkha) Logistic Regiment, Royal Logistic Corps (101st Logistic Brigade) 104th Force Support Battalion, Royal Electrical and Mechanical Engineers (Equipment Support, Theatre Troops) 33rd Field Hospital, Royal Army Medical Corps (2nd Medical Brigade) 160 Provost Company, Royal Military Police, Adjutant General's Corps (4th Regiment, Royal Military Police) On the brigade's return in April 2010, a total of 650 soldiers from the 12 regiments of the brigade marched through Winchester in Hampshire accompanied by three bands to celebrate their return. Later in June, around 120 soldiers then marched past the Palace of Westminster (Parliament of the United Kingdom). Just a few months after the brigade's return in 2010, the brigade was disbanded and its units returned to their peacetime headquarters. Army 2020 In 2012, following the Strategic Defence and Security Review 2010, the Army 2020 programme was announced. As part of the mergers, the 2nd (South East) Infantry Brigade, which had regional responsibility for the south east counties (Kent, Surrey, and Sussex), and 145th (South) Brigade, which had regional responsibility for the south-central region (Thames Valley (Berkshire, Buckinghamshire, and Oxfordshire), Hampshire, and the Isle of Wight) were merged to form the new 11th Infantry Brigade and Headquarters South East. The brigade's organisation was as follows by 2015: Brigade Headquarters, at Taurus House, Aldershot Garrison 1st Battalion, Welsh Guards, at Elizabeth Barracks, Pirbright Camp (Light Mechanised Infantry with Foxhound armoured cars) 1st Battalion, Grenadier Guards, at Lille Barracks, Aldershot Garrison (Light Infantry) 1st Battalion, The Royal Gurkha Rifles, at Sir John Moore Barracks, Shorncliffe (Light Infantry) The London Regiment (Army Reserve), HQ in Westminster (Light Infantry) – paired with the Grenadier Guards 3rd Battalion, The Royal Welsh (Army Reserve), HQ in Cardiff (Light Infantry) – paired with the Welsh Guards Army 2020 Refine In 2017, a supplement to the Army 2020 programme was announced entitled the Army 2020 Refine which reversed many of the unit-level changes. In addition to the unit level changes, several of the regional brigades formed under the initial Army 2020 programme were disbanded or reduced to Colonel-level commands. In 2019, a Field Army reorganisation saw these