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NASA Spaceflight • Sean Yoder

Launch Preview: GPS, Progress and Starlink set for a busy April 20-26 week across four countries and five rockets

A dense April 20 launch week pairs national and commercial missions, with seven flights planned across four countries and five launch vehicles. The manifest includes GPS-related navigation payloads, Progress cargo operations, and multiple Starlink launches, highlighting how constellation growth and assured access compete for schedule and capacity.

2026-04-20T15:00:02.842449-07:00

Runway Girl

Panasonic Avionics and Spacesail plan a multi-network LEO inflight connectivity service launch in 2027

2026-04-20T12:02:45.679394-07:00

Payload

Latvia signs on as 62nd Artemis Accords signatory, pledging peaceful, sustainable lunar cooperation

2026-04-20T07:02:10.092194-07:00

SpaceWatch Global

Canada frames Artemis 2 as investment case for sovereign launch and highlights the need to defend commercial space assets

2026-04-20T04:04:05.738706-07:00

News Timeline

NASA Spaceflight

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Launch Preview: GPS, Progress and Starlink set for a busy April 20-26 week across four countries and five rockets A dense April 20 launch week pairs national and commercial missions, with seven flights planned across four countries and five launch vehicles. The manifest includes GPS-related navigation payloads, Progress cargo operations, and multiple Starlink launches, highlighting how constellation growth and assured access compete for schedule and capacity.

2026-04-20T15:00:02.842449-07:00

Launch Preview: GPS, Progress and Starlink set for a busy April 20-26 week across four countries and five rockets

Runway Girl

Panasonic Avionics and Spacesail plan a multi-network LEO inflight connectivity service launch in 2027 Panasonic Avionics says its 2027 inflight connectivity offering will be “truly global,” using multi-network LEO capacity with planned service from Eutelsat OneWeb and China’s Spacesail. The plan positions the aircraft connectivity stack to draw from multiple constellations rather than a single operator.

2026-04-20T12:02:45.679394-07:00

Panasonic Avionics and Spacesail plan a multi-network LEO inflight connectivity service launch in 2027

Payload

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Latvia signs on as 62nd Artemis Accords signatory, pledging peaceful, sustainable lunar cooperation Latvia has officially signed the Artemis Accords in Washington, becoming the framework’s 62nd participating nation. NASA welcomed Latvia’s formal subscription as part of a broader push to use the Accords to guide transparent, peaceful cooperation supporting NASA’s lunar exploration ambitions.

2026-04-20T07:02:10.092194-07:00

Latvia signs on as 62nd Artemis Accords signatory, pledging peaceful, sustainable lunar cooperation

SpaceWatch Global

Vast and Cedars-Sinai expand Haven-1 microgravity research and crew-health plans Vast has partnered with Cedars-Sinai on initiatives spanning regenerative medicine, longevity and disease modeling, with applications tied to crew health and microgravity science. The work is set to be supported by Vast’s upcoming Haven-1 mission aboard the company’s first commercial space station.

2026-04-20T04:37:04.672238-07:00

Vast and Cedars-Sinai expand Haven-1 microgravity research and crew-health plans

SpaceWatch Global

Canada frames Artemis 2 as investment case for sovereign launch and highlights the need to defend commercial space assets At the Space Symposium, Canada’s space commander tied Artemis 2 to Ottawa’s push for sovereign launch capabilities and the industrial investments required to sustain them. The message also underscored a growing security challenge: protecting commercial space assets as they increasingly support national objectives in orbit.

2026-04-20T04:04:05.738706-07:00

Canada frames Artemis 2 as investment case for sovereign launch and highlights the need to defend commercial space assets

SpaceWatch Global

Space Symposium 2026 frames Europe’s “$35B space avalanche” for Artemis 2: grow markets, cut bureaucracy, and retool innovation Space Symposium 2026 spotlighted Germany’s role in Artemis 2 alongside an accelerated European space-market expansion, arguing Europe must change how it innovates to match rising demand. The discussion centers on scaling activity by removing bureaucratic drag while aligning industrial and policy execution for the next Artemis phase.

2026-04-20T04:04:04.375703-07:00

Space Symposium 2026 frames Europe’s “$35B space avalanche” for Artemis 2: grow markets, cut bureaucracy, and retool innovation

Reuters

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Shenzhou-21 crew extended by one month as China rethinks Tiangong mission duration China’s Manned Space Engineering Office has approved an additional month on orbit for the Shenzhou-21 astronaut crew, state media reported. The extension follows “careful consideration,” extending the current Tiangong mission timeline and affecting near-term crew scheduling and onboard operations.

2026-04-19T13:24:28.284686-07:00

Shenzhou-21 crew extended by one month as China rethinks Tiangong mission duration

Breaking Defense

Lockheed Martin wins up to $105M Space Force contract to modernize U.S. GPS ground control network The U.S. Space Force awarded Lockheed Martin a contract worth up to $105 million to continue modernizing and sustaining the GPS ground control network. The work supports resilient positioning, navigation and timing (PNT) services for military and civilian users as the Next-Generation Operational Control Segment (OCX) winds down, including an upgrade to enable replacement of RTX’s troubled OCX program for future GPS IIIF spacecraft.

2026-04-17T15:37:15.080655-07:00

Lockheed Martin wins up to $105M Space Force contract to modernize U.S. GPS ground control network

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Human Spaceflight & Space Stations News

Launch Preview: GPS, Progress and Starlink set for a busy April 20-26 week across four countries and five rockets

Panasonic Avionics and Spacesail plan a multi-network LEO inflight connectivity service launch in 2027

Latvia signs on as 62nd Artemis Accords signatory, pledging peaceful, sustainable lunar cooperation

Canada frames Artemis 2 as investment case for sovereign launch and highlights the need to defend commercial space assets

News Timeline