A system for detecting and identifying the presence of objects, substances, or other items of interest located above or beneath a surface includes at least one aerial platform capable of powered flight, and a base station including apparatus for launching, storing, and refueling the at least one aerial platform. The base station further includes apparatus for communicating with the aerial platform(s). A control station remote from the base station can be configured to communicating with the base station. A display can be associated with the base station and the control station to receive signals from the aerial platform and indicate the location and identity of the objects, substances, or other items detected by the aerial platforms.