Under the Terra Harvest Program, the Defense Intelligence Agency (DIA) has the objective of developing a universal
Controller for the Unattended Ground Sensor (UGS) community. The mission is to define, implement, and thoroughly
document an open architecture that universally supports UGS missions, integrating disparate systems, peripherals, etc.
The Controller's inherent interoperability with numerous systems enables the integration of both legacy and future
Unattended Ground Sensor System (UGSS) components, while the design's open architecture supports rapid third-party
development to ensure operational readiness. The successful accomplishment of these objectives by the program's
Phase 3b contractors is demonstrated via integration of the companies' respective plug-'n-play contributions that include
various peripherals, such as sensors, cameras, etc., and their associated software drivers.
In order to independently validate the Terra Harvest architecture, L-3 Nova Engineering, along with its partner, the
University of Dayton Research Institute (UDRI), is developing the Terra Harvest Open Source Environment (THOSE), a
Java based system running on an embedded Linux Operating System (OS). The Use Cases on which the software is
developed support the full range of UGS operational scenarios such as remote sensor triggering, image capture, and data
exfiltration. The Team is additionally developing an ARM microprocessor evaluation platform that is both energyefficient
and operationally flexible.
The paper describes the overall THOSE architecture, as well as the implementation strategy for some of the key software
components. Preliminary integration/test results and the Team's approach for transitioning the THOSE design and
source code to the Government are also presented.