Since China began its extensive land reclamation program in the South China Sea in 2013, Beijing has focused on improving its presence and infrastructure at seven locations in the Spratly Island chain: Cuarteron Reef, Fiery Cross, Gaven, Hughes, Johnson, Mischief and Subi reefs. Of the seven locations, the Fiery Cross, Mischief and Subi reefs received particular attention in the form of large-scale airfields built there. Over time, China has also added harbors, barracks, radar and other sensors. This is in addition to communications equipment, storage bunkers and general infrastructure installed across all seven islands. Stratfor partners at AllSource Analysis have provided imagery that confirms mobile electronic warfare (EW) equipment was recently deployed to Mischief Reef....