The Marine Corps is enhancing five small unmanned aerial system defense platforms fielded at undisclosed U.S. military sites, with plans to add the high-tech equipment at other installations. Known as installation-counter small unmanned aerial systems (I-CsUAS), the platforms detect, identify, track and disable small aerial systems that pose a risk or threat to Marine Corps installations, said Barbara Hamby, spokeswoman at the program executive office for land systems. The I-CsUAS mission is to provide 24-hour defense against other small unmanned...