Elon Musk said Thursday that Verizon’s efforts to provide a critically needed upgrade to the FAA’s air traffic control system is failing. And he said that it is important that Starlink, a unit of his SpaceX satellite and rocket company,

The Federal Aviation Administration is close to canceling a $2.4 billion contract with Verizon to provide vital air traffic control services in favor of Elon Musk’s Starlink, according to the Washington Post.

The Verizon communication system to air traffic control is breaking down very rapidly. The FAA assessment is single digit months to catastrophic failure,