On 19 March 2017 , CT-SFO teams participated in maritime '' Exercise Anchor '' on the River Thames , their first joint major live-play exercise . On 22 March 2017 , CT-SFO teams rapidly deployed to the 2017 Westminster attack , which was reported to be their first significant marauding terrorist attack deployment since their formation
2017 Westminster attack
2017 Westminster attack
Specialist Firearms Command