The term HEMS' PARTNERS refers to the job of Helicopter Emergency Medical Services (HEMS). HEMS is a service that provides emergency medical care and transportation for critically ill or injured patients. HAWS is an acronym for Helicopter Airborne Warning System, which is a system used by HEMS to detect and avoid obstacles in the air. HAWS is an important part of the HEMS team, as it helps ensure the safety of both the patient and the crew.