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SpaceNews.com • Sandra Erwin

Pentagon terminates Next Generation Operational Control System (OCX), ending 15-year GPS ground modernization effort

The Pentagon formally terminated the Next Generation Operational Control System (OCX) on April 20, ending a 15-year effort to modernize the U.S. military’s ground segment for Global Positioning System satellites. The department cited program risk and delays as the basis for the decision.

2026-04-20T15:38:16.984894-07:00

Air Data News

Germany takes delivery of final A400M Atlas (53rd aircraft) as Airbus seeks new roles and customers

2026-04-20T14:01:54.597336-07:00

The War Zone

USMC begins defining sixth-generation fighter requirements, with drones positioned as the bridge via MUX TACAIR collaborative co

2026-04-20T14:01:51.153008-07:00

Breaking Defense

MQ-9B SeaGuardian® positioned for US Navy–Marine Corps maritime mission advantage

2026-04-20T12:43:18.543095-07:00

News Timeline

SpaceNews.com

Pentagon terminates Next Generation Operational Control System (OCX), ending 15-year GPS ground modernization effort The Pentagon formally terminated the Next Generation Operational Control System (OCX) on April 20, ending a 15-year effort to modernize the U.S. military’s ground segment for Global Positioning System satellites. The department cited program risk and delays as the basis for the decision.

2026-04-20T15:38:16.984894-07:00

Pentagon terminates Next Generation Operational Control System (OCX), ending 15-year GPS ground modernization effort

Air Data News

Germany takes delivery of final A400M Atlas (53rd aircraft) as Airbus seeks new roles and customers Airbus Defence and Space has delivered Germany’s 53rd and final A400M Atlas airlifter to the Luftwaffe, completing the country’s multi-year order administered via OCCAR. The handover comes as Airbus looks to broaden Atlas employment beyond its original fleet role through upgrades and new mission concepts.

2026-04-20T14:01:54.597336-07:00

Germany takes delivery of final A400M Atlas (53rd aircraft) as Airbus seeks new roles and customers

The War Zone

USMC begins defining sixth-generation fighter requirements, with drones positioned as the bridge via MUX TACAIR collaborative co The Marine Corps is moving from concept to requirements for a sixth-generation fighter, with Lieutenant General William Swan saying the effort is already taking shape. The service envisions drones and collaborative-combat aircraft as a near-term bridge to future capabilities.

2026-04-20T14:01:51.153008-07:00

USMC begins defining sixth-generation fighter requirements, with drones positioned as the bridge via MUX TACAIR collaborative co

Breaking Defense

U.S. Army leans on FMS while HAL commits ₹10,000 crore to expand TEJAS/rotorcraft capacity Following a FY27 budget request that sharply reduced helicopter procurement funding, U.S. Army leaders and industry are leaning on foreign military sales (FMS) and reinvestment plans to sustain rotorcraft manufacturers. In parallel, India’s HAL is investing ₹10,000 crore to expand facilities to ramp up TEJAS, helicopters, and an indigenous defense aviation fleet.

2026-04-20T13:16:16.730213-07:00

U.S. Army leans on FMS while HAL commits ₹10,000 crore to expand TEJAS/rotorcraft capacity

Breaking Defense

MQ-9B SeaGuardian® positioned for US Navy–Marine Corps maritime mission advantage General Atomics frames the MQ-9B SeaGuardian as uniquely suited to meet modern conflict demands in the maritime battlespace, emphasizing its ability to deliver a decisive operational edge for Navy and Marine Corps missions. The pitch aligns with the platform’s broader role in persistent maritime ISR and maritime-domain operations.

2026-04-20T12:43:18.543095-07:00

MQ-9B SeaGuardian® positioned for US Navy–Marine Corps maritime mission advantage

The War Zone

SNC details “Freedom Trainer” clean-sheet jet for U.S. Navy aviator training, positioning it as a no-compromise cost-saver Sierra Nevada Corporation (SNC) provided details on its clean-sheet Freedom Trainer offering for U.S. Navy aviator training, framing the aircraft as a “no-compromise” solution designed to cut training costs. The update comes as the Navy pursues replacement of legacy undergraduate jet training aircraft via UJTS competition.

2026-04-20T11:36:27.047365-07:00

SNC details “Freedom Trainer” clean-sheet jet for U.S. Navy aviator training, positioning it as a no-compromise cost-saver

DefenseNews.com

US Army Corps of Engineers seeks new doctrine for safe helicopter landings on Arctic ice The U.S. Army Corps of Engineers is working to challenge long-standing assumptions about the risks of landing helicopters on frozen lakes. Its R&D effort includes developing tools (including an app) intended to expand operational options for aircraft such as the UH-60 Black Hawk in Arctic environments.

2026-04-20T11:07:37.696901-07:00

US Army Corps of Engineers seeks new doctrine for safe helicopter landings on Arctic ice

DefenseNews.com

USAF says HH-60W Jolly Green II lacks effective infrared countermeasures for CSAR missions; pushes for improved IR jammer capabi Air Force Material Command says the HH-60W Jolly Green II helicopters recently used to rescue downed pilots in Iran do not have a capable infrared countermeasure (IRCM) system. The service is seeking a better infrared jamming solution to improve survivability for combat search and rescue operations.

2026-04-20T11:07:37.569583-07:00

USAF says HH-60W Jolly Green II lacks effective infrared countermeasures for CSAR missions; pushes for improved IR jammer capabi

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Military Aircraft Procurement News

Pentagon terminates Next Generation Operational Control System (OCX), ending 15-year GPS ground modernization effort

Germany takes delivery of final A400M Atlas (53rd aircraft) as Airbus seeks new roles and customers

USMC begins defining sixth-generation fighter requirements, with drones positioned as the bridge via MUX TACAIR collaborative co

MQ-9B SeaGuardian® positioned for US Navy–Marine Corps maritime mission advantage

News Timeline