The ships provide sea transportation for personnel and equipment for SAF's overseas training, as well as a training platform for RSN's midshipmen. RSS "Endurance" became the first RSN ship to circumnavigate the globe when it participated in the 2000 International Naval Review in New York City. The ships are also actively involved in humanitarian and disaster relief operations, notably in East Timor, the Persian Gulf, the tsunami-hit Indonesian province of Aceh and most recently, disappearance of Indonesia AirAsia Flight 8501. The four ships form the Third Flotilla of the RSN.