The first commercial cargo run to the International Space Station is off for next week.
Space Exploration Technologies Corp., better known as SpaceX, announced the latest delay Wednesday. The company did not set a new launch date.
A Falcon rocket carrying a Dragon capsule was supposed to blast off from Cape Canaveral on Monday. But additional software testing was ordered. The test flight is already three months late.
It will be the first time a private entity launches a supply ship to the space station. Only governments currently do that. NASA used to stockpile the space station through the shuttles. But the fleet was retired last summer. The space agency wants commercial providers to take over that role.