Lockheed Martin has signed a contract with Latvia for three TPS-77 Multi-Role Radars (MRR). The TPS-77 MRR uses the latest Gallium Nitride (GaN) technology in its design.
Nick-D at the English language Wikipedia [GFDL or CC-BY-SA-3.0], via Wikimedia Commons
It is also the most transportable version of Lockheed Martin’s successful TPS-77 product line