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McALLEN - A South Texas community once cited as the poorest in Texas is courting an Austin-based defense technology startup that promises to bring 10,000 jobs over 10 years, more than SpaceX's initial promise of 300 back in 2014.

The Cameron County commissioners court approved a $211 million tax break for Saronic Technologies in hopes that the company will select the Port of Brownsville for its $3. 2 billion naval shipyard called Port Alpha.