sentences:  Two years later, in May 2012, an unmanned UAV believed to be a Camcopter S-100 was photographed operating from the fantail of a Chinese Type 054A frigate by the People's Liberation Army Navy.In April 2012, the Camcopter became the first unmanned helicopter to fly from an Italian Navy vessel when it was flight tested from the MM "Bersagliere" (F-584).In February 2014, the Italian Navy chose the S-100 as its primary unmanned aerial system for shipboard operations, where it will be used for intelligence, surveillance and reconnaissance (ISR).