The Flexible Deployment Concept ______________. (Select all that apply.) Answer Options: A. requires extensive shore-based infrastructure in the area of operations to support deployed ships and aircraft B. is based on naval forces sustaining a presence in a given geographical region by rotating forces in to and out of the region on a set schedule C. allows units that have attained high readiness to embark on deployments of varied duration in support of specific national priorities D. provides more options to national leaders when contemplating how to response to specific global needs