Hydroid REMUS 6000 AUVs have been used in the Titanic, Earhart and other major expeditions. The Titanic, Amelia Earhart and Air France 447 search and recovery expeditions all utilized Hydroid REMUS 6000 AUVs containing ESS AZ-34 syntactic foam (successfully tested to 9,000psi). REMUS 6000 vehicles are currently in use in the South Pacific.