The final flight of United Launch Alliance's Atlas V rocket is still several years off, but an important era for the once-dominant launch company came to a close last week.

The final flight of an Atlas V for the Amazon Leo broadband constellation lifted off from Cape Canaveral Space Force Station in Florida at 12:30 am EDT (04:30 UTC) last Thursday, sending 29 satellites to orbit to move the network closer to providing initial services.

All 29 spacecraft deployed from the Atlas V rocket less than an hour after launch. They will use onboard propulsion to raise their orbits from an altitude of approximately 289 miles (465 kilometers) to their final operating positions at 392 miles (630 kilometers) above the Earth.

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Amazon is blaming the threat of malware for its decision to stop releasing new Fire Sticks that support sideloading apps from outside Amazon’s Appstore.

Amazon has released two Fire Stick models that use its proprietary, Linux-based operating system, Vega OS. Previous Fire Sticks ran Fire OS, which is an Android fork based on the Android Open Source Project. One of the biggest differences between Vega OS and Fire OS is that the former doesn’t support sideloading.

It wasn’t surprising when Amazon released its first Vega OS-based Fire Stick. Although many tinkerers sideloaded apps, especially from the Google Play Store, for added functionality, sideloading had also become largely associated with streaming piracy, especially of sporting events.

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