BA$223.77▲0.94%LMT$611.58▼0.88%NOC$680.13▲0.25%RTX$203.19–0.01%GD$343.90▼1.23%LHX$357.97▼0.94%RKLB$72.22▼1.81%PL$33.93▼4.66%JOBY$8.80▲0.80%ACHR$5.67▲0.18%SPCE$2.89▼5.86%KTOS$73.66▼1.34%BA$223.77▲0.94%LMT$611.58▼0.88%NOC$680.13▲0.25%RTX$203.19–0.01%GD$343.90▼1.23%LHX$357.97▼0.94%RKLB$72.22▼1.81%PL$33.93▼4.66%JOBY$8.80▲0.80%ACHR$5.67▲0.18%SPCE$2.89▼5.86%KTOS$73.66▼1.34%

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ULA Powers Amazon's Satellite Constellation Forward

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ULA Powers Amazon's Satellite Constellation Forward

United Launch Alliance successfully launched Amazon Leo 5, deploying 29 satellites to low Earth orbit on April 4. This marks ULA's fifth mission supporting Amazon's growing satellite constellation, bringing the total Leo constellation to nine successful launches.

Slice of Aerospace Team
·April 16, 2026·2 min read
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Via Satellite

United Launch Alliance delivered another successful mission for Amazon's Leo constellation, launching 29 satellites to low Earth orbit early Friday morning. The LA-05 mission lifted off at 1:46 a.m. EDT on April 4, marking a significant milestone in the partnership between the launch provider and e-commerce giant's space ambitions.

Fifth Partnership Mission Expands Coverage

The LA-05 launch represents United Launch Alliance's fifth mission dedicated to Amazon's Leo satellite constellation. This deployment brings the total number of successful Leo constellation launches to nine, demonstrating steady progress in building out Amazon's space-based infrastructure.

Growing Momentum in Low Earth Orbit

The 29 satellites delivered during this mission join an expanding network designed to provide global connectivity services. Each successful launch builds on previous missions, creating a more robust constellation capable of serving Amazon's broader connectivity goals.

The early morning launch window at 1:46 a.m. EDT reflects the precise orbital mechanics required to position these satellites optimally within the constellation architecture. This timing ensures the new satellites integrate seamlessly with existing network assets already in orbit.

Established Launch Partnership Delivers Results

United Launch Alliance has become a key enabler of Amazon's space strategy, with this latest mission reinforcing the reliability of their partnership. The consistent success rate across five dedicated missions demonstrates both companies' commitment to methodical constellation deployment rather than rushed expansion.

The Leo constellation program represents Amazon's significant investment in space-based services, with each launch building toward comprehensive global coverage. This systematic approach allows for thorough testing and optimization of each satellite batch before subsequent deployments.

What's Next

With nine successful launches now completed for the Leo constellation, Amazon continues building the foundation for its global satellite services. United Launch Alliance's proven track record on these missions positions both companies well for future constellation expansion phases. The steady cadence of successful deployments signals strong momentum in commercial satellite constellation development.

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