A technical issue with SpaceX's Falcon 9 rocket has delayed a launch set for this weekend.
It was scheduled to blast off on Sunday but has now been postponed to another time window on Monday.
The rocket was supposed to carry a US spy satellite into earth's orbit, though details of the launch were not publicized as SpaceX said it relates to military secrets.
"Out of an abundance of caution we have decided to scrub today's launch," a SpaceX spokesman said, describing the issue as relating to the first stage of the Falcon 9.
Photographers prepare their cameras to capture the launch of a SpaceX rocket from launch pad 39A on April 29, 2017 in Cape Canaveral, Florida. /VCG Photo
The payload belongs to the US National Reconnaissance Office, which produces and operates spy satellites.
This is the first time the private space company is trying to work with the military. Previously, they had cooperated with NASA and other companies.
An explosion accident happened last year with the same model of reusable rocket, pushing the company to take on greater precautionary measures. Though SpaceX has not encountered any further incidents, delays continue to hamper some of its launches.
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