AN/APY-8 Lynx II

AN/APY-8 Lynx II is an advanced, high-resolution synthetic-aperture radar system developed by General Atomics for intelligence, surveillance, and reconnaissance missions. Primarily deployed on unmanned aerial vehicles like the MQ-1 Predator and MQ-9 Reaper, it provides all-weather, day/night ground surveillance capabilities. The system represents a significant evolution from the earlier AN/APY-8 Lynx radar, offering enhanced performance for tracking both stationary and moving targets.

Overview

The system is a key sensor for modern ISR platforms, enabling the detection and identification of objects at long standoff ranges. It is integrated into the U.S. Air Force's Remotely Piloted Aircraft fleet and has also been adopted by allied nations such as the United Kingdom and Italy. Its real-time data feeds are critical for supporting operations conducted by organizations like the Central Intelligence Agency and Joint Special Operations Command.

Development and Design

Development of the radar was led by General Atomics Aeronautical Systems as a follow-on to the original Lynx SAR to meet evolving military requirements. The design focuses on modularity and reliability, allowing for installation on various airborne platforms without major structural modifications. Key design drivers included reducing size, weight, and power consumption compared to earlier systems while significantly improving resolution. The program benefited from advancements in GaAs technology and lessons learned during operations in Afghanistan and Iraq.

Technical Specifications

Operating in the Ku band, the system features a slotted waveguide antenna and utilizes a sophisticated digital signal processing chain. It offers multiple operational modes, including Spot SAR for detailed imagery of a fixed area, Strip SAR for mapping wide corridors, and Ground Moving Target Indicator for tracking vehicles. Typical resolution is sub-one-foot in SAR modes, with a capability to detect moving targets at ranges exceeding several tens of kilometers. It is designed to interface seamlessly with other onboard systems like electro-optical/infrared sensors and signals intelligence payloads.

Operational History

The radar entered service in the mid-2000s and quickly became a workhorse sensor for Operation Enduring Freedom and Operation Iraqi Freedom. It provided vital imagery for tracking insurgent activity, identifying improvised explosive device emplacements, and supporting close air support missions. Its use expanded to other theaters, including operations over Libya during Operation Odyssey Dawn and missions in Syria against the Islamic State of Iraq and the Levant. The system's performance has been consistently praised by units like the 432d Wing and the Royal Air Force.

Variants and Upgrades

The primary variant is the standard system deployed on MQ-9 Reaper aircraft. An upgraded version, sometimes referred to as the **Lynx Multi-mode Radar**, incorporates enhanced GMTI capabilities and improved anti-jamming features. General Atomics has also developed a maritime surveillance variant optimized for detecting small vessels, which has been evaluated by the U.S. Navy. Continuous software upgrades, often tied to broader Predator and Reaper block upgrade programs, have improved processing algorithms and integration with Distributed Common Ground System architectures.

Category:Radar