The Royal Tank Regiment (RTR) is an armoured regiment

Cavalry regiments of the British Army

There are currently nine regular cavalry regiments of the British Army, with two tank regiments provided by the Royal Tank Regiment, traditionally classed alongside the cavalry, for a total of eleven regiments. Of these, five serve as armoured regiments, and five as formation reconnaissance...

 of the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

. It was formerly known as the Tank Corps and the Royal Tank Corps. It is part of the Royal Armoured Corps

Royal Armoured Corps

The Royal Armoured Corps is currently a collection of ten regular regiments, mostly converted from old horse cavalry regiments, and four Yeomanry regiments of the Territorial Army...

 and is made up of two operational regiments, the 1st Royal Tank Regiment

1st Royal Tank Regiment

The 1st Royal Tank Regiment is an armoured regiment of the British Army. It is part of the Royal Tank Regiment, itself part of the Royal Armoured Corps. It was originally formed as 1st Battalion, Royal Tank Corps in 1934....

(1RTR) and the 2nd Royal Tank Regiment

2nd Royal Tank Regiment

The 2nd Royal Tank Regiment is an armoured regiment of the British Army. It is part of the Royal Tank Regiment, itself part of the Royal Armoured Corps...

(2RTR). The official regimental motto

Motto

A motto is a phrase meant to formally summarize the general motivation or intention of a social group or organization. A motto may be in any language, but Latin is the most used. The local language is usual in the mottoes of governments...

 is Fear Naught while unofficial motto (signified also by the colours of the tactical recognition flash

Tactical recognition flash

100px|thumb|Red and blue tactical recognition flash of the [[Royal Artillery]].A Tactical Recognition Flash is a coloured patch worn on the arm of combat clothing by members of the Royal Navy, British Army and Royal Air Force to distinguish their Regiment or Corps in the absence of a cap badge. It...

) is "From Mud, Through Blood to the Green Fields Beyond."
In the nineteenth-century (and before) British Army, regiments of infantry raised several battalion

Battalion

A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...

s, which were often deployed separately.