Copper wire upgrade linked to nationwide US flight suspension, transport secretary says
Source Summary
The US transport secretary has indicated that a copper wire upgrade may have caused a nationwide flight suspension. The government is investigating whether the disruption resulted from incompetence or faulty equipment.
Why it matters
A nationwide flight suspension represents a major disruption to US transportation infrastructure and the economy, affecting millions of passengers and commerce.
What remains uncertain
The investigation is ongoing to determine whether the disruption was caused by incompetence or faulty equipment.
