A top Air Force general sees a long future for Sentinel after it enters service, but there is still a murky and increasingly costly road ahead to get there.
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US Army fields new Sentinel A4 radars and is gearing up for many more
The US Army has begun fielding its new Sentinel A4 radar, a next-generation sensor that is already arriving in units while a ...
Overseen by the 717th Test Squadron and the Arnold Engineering Development Test Complex, the ground-based fire of the Sentinel’s second stage rocket motor was “conducted in a vacuum chamber to ...
The projected price of an Air Force program to build a next-generation nuclear missile – dubbed Sentinel – had risen 81%, from $77.7 billion to nearly $141 billion. (That’s the equivalent of Americans ...
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