We always purchase Tin Leg Gold Travel Insurance. This provides $500,000 Emergency Accident and Emergency Sickness Medical Expense. It's primary coverage so don't have to submit to our insurance company. This also has $500,000 Emergency Medical Evacuation and Medically Necessary Repatriation. In the US $25,000- 50,000 will not transport you very far. Here's an article where towards the end are stories of alleged actual transports. https://health.costhelper.com/air-ambulances.html
Betty n Jim