DENVER (AP) — The launch of a new GPS satellite was postponed for one day Tuesday because of an unspecified problem with the SpaceX Falcon 9 rocket that will put the satellite in orbit.

Liftoff was rescheduled for Wednesday at Cape Canaveral, Florida.

SpaceX said Tuesday's launch was scratched because of sensor readings on the rocket's first stage. Neither the company nor the U.S. Air Force provided details.

This will be the first GPS satellite launch for SpaceX.

The rocket will carry a GPS III satellite, the first of new generation of GPS orbiters designed to be more accurate, secure and vers...