Since then , the squadron has provided covert aerial refueling for special operations helicopters and infiltrated , exfiltrated , and resupplied special operations forces . From 16 to 31 July 1990 , after the 1990 Luzon earthquake , the squadron 's aircraft shuttled fuel between Kadena and San Fernando to Marine and Philippine Air Force helicopters participating in relief efforts after fuel shortages threatened the stoppage of the relief operations , alongside the 1st Special Operations Squadron . During the operation , the two squadrons pumped 377,000 pounds of fuel . In late April 1991 , after the 1991 Bangladesh cyclone caused extensive devastation , two HC-130s were sent to transport international relief supplies to Chittagong in Operation Sea Angel , where the supplies were transferred to helicopters for the journey inland . By early June the aircraft had returned to Kadena after the conclusion of the operation
1990 Luzon earthquake
1990 Luzon earthquake
17th Special Operations Squadron