Combat Medical Technician

A combat medical technician (CMT) is a soldier with a specialist military trade within the Royal Army Medical Corps of the British Army and the Royal Air Force.

The fully trained combat medical technician or CMT is capable of:

Additionally, at Class 1 the CMT is trained in the procedures and principles of Battlefield Advanced Trauma Life Support (BATLS), which includes advanced life support, cricothyrotomy and thoracentesis.

...
Wikipedia