The US SDA has disclosed the awarding of four agreements to produce 72 satellites for its Tracking Layer Tranche 3 initiative.

SDA awards $3.5B to Lockheed, L3Harris, Northrop and Rocket Lab for Tranche 3 PWSA Tracking Layer missile-warning satellites.

WASHINGTON — The Space Development Agency announced Dec. 19 it awarded about $3.5 billion in contracts to four companies to build 72 missile-tracking satellites for the next phase of a low Earth orbit ...

Lockheed Martin and Rocket Lab USA will both build missile warning, tracking and defense (MWTD) space vehicles for $1.1 billion and $805 million, respectively. Northrop Grumman and L3Harris will build ...

Spring Boot is one of the most popular and accessible web development frameworks in the world. Find out what it’s about, with ...

升级 PageHelper 到 5.1.3 升级 springboot 到 2.0.1.RELEASE 增加 dialectAlias 参数，允许配置自定义实现的 别名，可以用于根据JDBCURL ...

Devnexus, the largest Java ecosystem conference in the United States, returns to the Georgia World Congress Center on March 4–6, 2026, bringing together thousands of developers, architects, and ...

When you want to keep warm during your winter adventures there are three easy ways to do it. Layer, layer, layer, but what are the best clothing items for each layer, and what do you need to stay away ...

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