5-4-3-2-1 Thunderbirds Are Go!!! This is perhaps what most of us think of when the term 'International Rescue' is mentioned, but for over one million people a year it is a term synonymous with safety, evacuation and returning home. From its headquarters in Singapore, International S.O.S. runs the world's leading evacuation and medical emergency services company - a global network of more than 2,600 dedicated professionals whose sole task is to assist travellers caught in life or death situations. For the first time this relatively unknown company has allowed a documentary film crew into their operation to take an inside look at their busiest alarm centre; Singapore.