Investing.com -- US Transportation Secretary Sean Duffy has called on Verizon Communications Inc (NYSE: VZ ). to accelerate its upgrades to the Federal Aviation Administration’s (FAA) telecommunications network. Duffy warned that the telecom giant’s $2.4 billion contract could be at risk if it doesn’t speed up its efforts.

Duffy expressed his concerns during a press briefing in Washington, stating that Verizon’s progress is not fast enough. He emphasized the need for companies that can deliver rapid results.

Verizon is still being considered for the contract, but Duffy indicated that decisions about how to proceed are still being evaluated.

The scrutiny on Verizon’s efforts to upgrade the FAA’s networks has intensified, following a Bloomberg report last month that revealed the US aviation regulator had started testing SpaceX’s Starlink for parts of the system upgrade. The report has raised questions about Verizon’s ability to deliver on its contract, which is now under review.

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