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April was a busy month across the defense technology landscape, and our most-read stories show where readers were paying closest attention.
From GA-ASI’s MQ-9B completing critical icing tests to Echodyne’s radar being selected for Trust Automation’s U.S. Air Force C-UAS platform, the month’s leading articles focused on technologies built to perform in demanding operational environments.
Autonomy was also a clear theme. UAV Navigation-Grupo Oesía demonstrated its autonomous control system during maritime exercises with U.S. Special Forces, while Volatus Aerospace and Sentinel R&D announced a partnership to advance a Canadian-developed interceptor UAV platform.
Rounding out the top five, Textron Systems’ work with the U.S. Marine Corps on the Cottonmouth reconnaissance fleet highlighted continued momentum behind next-generation land systems.
Together, these stories offer a snapshot of the technologies and programs that captured the defense community’s attention in April, spanning air, land, maritime, and counter-drone operations.
MQ-9B Completes Critical Icing Tests for All-Weather Operations
General Atomics Aeronautical Systems, Inc. (GA-ASI) conducted a series of flight tests aimed at certifying the MQ-9B Remotely Piloted Aircraft (RPA) for Flight Into Known Icing (FIKI).
The flight tests began last year, and all planned testing was successfully completed in early April from GA-ASI’s Flight Test & Training Center (FTTC) near Grand Forks, North Dakota, using a company-owned MQ-9B. Read more >>
Echodyne Radar Selected for Trust Automation & U.S. Air Force C-UAS Contract

Echodyne has been named as a primary radar system provider for Trust Automation’s Small-Unmanned Air Defense System platform under a $490 million contract with the U.S. Air Force.
The agreement integrates the EchoShield radar into three distinct configurations: Rapidly Deployable (RD-SUADS), Fixed Site (FS-SUADS), and Expeditionary (EX-SUADS) systems. These platforms adhere to the Sensor Open Systems Architecture (SOSA) standard, with the EchoShield radars serving as the first fully integrated SOSA solution within the platform. Read more >>
UAV Navigation Autonomous Control System Demonstrated in USV Maritime Exercises

UAV Navigation-Grupo Oesía demonstrated its autonomous control system during US Special Forces maritime exercises in Cartagena, Spain.
The exercises utilized the NEWT21 Fiber Optic Gyroscope-based USV, integrated with UAV Navigation-Grupo Oesía’s advanced autopilot system providing guidance and navigation. Operating in a high-demand multi-domain environment, the system executed a fully autonomous navigation plan, demonstrating stable behavior, precise route tracking, and resilience under operational constraints. Read more >>
Volatus Aerospace & Sentinel R&D Partner to Advance Canadian Sovereign UAV Capability
Volatus Aerospace Inc. and Sentinel R&D Inc. entered into a Memorandum of Understanding to collaborate on the development of a Canadian-developed interceptor unmanned aerial vehicle platform. The agreement establishes a formal framework that combine. Read more >>
Textron Systems & U.S. Marine Corps Advance Cottonmouth Reconnaissance Fleet

Textron Systems has secured a $450 million Pre-Production Development agreement with the U.S. Marine Corps to deliver 16 Cottonmouth pre-production vehicles for the Advanced Reconnaissance Vehicle (ARV) program.
The agreement covers the delivery of three distinct vehicle variants: C4UAS, 30mm, and Logistics. In addition to the 16 vehicles, Textron Systems will provide three systems integration labs and four blast hulls to support the program. Read more >>









