"We're anticipating getting back to flight, being down for about three months ... in November, the November time frame," Shotwell said at a conference in Paris.

The explosion occurred earlier this month as a Falcon 9 rocket was being fueled for an engine test fire. It damaged the launchpad that SpaceX uses at Florida's Cape Canaveral Air Force Station. But SpaceX leases another one nearby at NASA's Kennedy Space Center that it has been rehabbing. SpaceX also has a launch site at Vandenberg Air Force Base in California.

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SpaceX is leading the investigation into the cause of the blast with help from the Federal Aviation Administration, the Air Force and NASA.

The company lost another rocket last year, and it took the company six months to fly again. Typically, it takes six to nine months for companies to recover after a failure, depending on the particular circumstances, said Phil Smith, a senior space analyst at the Tauri Group, a consulting firm.

But returning to flight after just three months is "surprising because that's actually very quick," Smith said. Last week, the company was asking the public to turn over video or audio of the explosion that might help investigators determine what went wrong, he said.

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The short timeline "would imply that they must know something about the nature of the incident, that maybe it isn't the vehicle — that it was a procedural problem," Smith said.

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The explosion has also pushed back the maiden flight of the Falcon Heavy, the more powerful rocket the company had planned to fly in November. That flight is now scheduled for early 2017, according to a person familiar with SpaceX's plans.

Meanwhile, United Launch Alliance, one of SpaceX's competitors, announced Tuesday a service that would allow customers an expedited schedule to get their payloads into orbit.