Requirements:
USA Visa B1/OCS - great advantage
USA Visa C1/D - great advantage
Helicopter Underwater Escape Course - great advantage (or BOSIET/FOET)
Vaccinations
Diphtheria Vaccination
Hepatitis A
Hepatitis B Vaccination
Tetanus
Typhoid
Yellow fever vaccination
Covid Vaccination Certificate
STCW Certificates
Experience on same or similiar