The planned launch of the Next Generation Interceptor competition was tripped up last week when plans for a review by the Missile Defense Executive Board -- whose approval is needed to release a request for proposals -- were postponed as Pentagon leaders grappled with responding to the growing COVID-19 pandemic, sources said. The delay is not linked to any new concerns that have surfaced since the Joint Requirements Oversight Council -- particularly U.S. Northern Command chief Gen. Terrance O'Shaughnessy --...