Ace firing an ATR in Coal Hill School. (TV: Remembrance of the Daleks)
An anti-tank rocket or ATR was one of the weapons the Intrusion Countermeasures Group through the British Army had access to during the Shoreditch Incident in 1963. Ace used an ATR to destroy an Imperial Dalek claiming she "aimed for the eyepiece". (TV: Remembrance of the Daleks)