Lockheed Martin will unveil its next-generation amphibious vehicle competition offering at next week's Modern Day Marine military exposition since splitting up with Finnish vehicle manufacturer Patria, according to a company spokesman. The company plans to rollout its new vehicle Sept. 22 and will announce additional details that may include a new partner and manufacturing facilities. Inside the Navy first reported July 8 that the Lockheed Martin and Patria partnership had dissolved. Lockheed spokesman John Kent wrote at the time...