71 (City of London) Yeomanry Signal Regiment (Volunteers) is a Territorial Army regiment in the Royal Corps of Signals in the British Army. The regiment forms part of 2 (National Communications) Signal Brigade, providing military communications for national operations. The Regiment was formed after the reorganisation of the Territorial Army in 1969; it retains its links to the past, through the Yeomanry squadrons under its command. The Regiment comprises the following sub units: