The Royal Navy remains committed to providing humanitarian aid where possible . During the 2004 Indian Ocean earthquake and tsunami the Royal Navy responded by deploying RFA '' Diligence '' and the frigate HMS '' Chatham '' with Westland Lynx helicopters to provide assistance . In 2014 , the Royal Navy deployed HMS '' Echo '' ( a multi-role hydrographic survey ship ) and HMS '' Tireless '' ( a nuclear-powered fleet submarine ) to search for the missing Malaysia Airlines Flight 370 in the Indian Ocean Region
2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
Standing Royal Navy deployments