The Navy has a lot of work to do to get its next-generation mine countermeasure systems ready to counter China, Frank DiGiovanni, the service's deputy director for expeditionary warfare, said Tuesday. DiGiovanni, speaking at the Mine Warfare Association's International Mine Technology Symposium, said the Navy needs to work to develop low-cost, low-complexity and functional mine countermeasures for the future. "Even though we've got great advances in autonomy, great advances in technology, at times they are very complex, they are costly...