According to the Wall Street Journal, SpaceX is competing to launch a spacecraft for the Pentagon, but the U.S. Air Force and intelligence agencies said that the Pentagon is not planning to use SpaceX's Falcon 9 rocket to launch the largest and most advanced spy satellite.
The launch mission of the spy satellite is undertaken by SpaceX’s rival U.S. Joint Launch Alliance. Pentagon officials said that the Falcon 9 rocket is expected to be used for military tasks as early as next year. Previously, SpaceX had worked hard to compete for various launch missions of the Pentagon. In 2014, Musk publicly criticized the US Air Force's procurement of launch vehicle launch projects and sued the U.S. Air Force for awarding a $11 billion space launch service contract to its only accredited service. The supplier United States Launch Alliance, Musk believes that the joint launch alliance with the United States Air Force contract will cost additional taxpayers billions of unnecessary expenses, and SpaceX can provide the same rocket launch service at a cheaper cost. Eventually SpaceX chose to withdraw the lawsuit, and Pentagon officials also promised to allow other rocket launchers to bid.
Earlier this year, SpaceX won the Pentagon’s first contract worth a total of 8,200 U.S. dollars. In 2018, the Global Positioning System satellite was launched into orbit. However, SpaceX has not yet obtained the Air Force’s approval for its mission to launch the NRO’s most expensive flagship satellite, which is worth more than US$1 billion. According to industry sources, officials from the National Investigation Office stated that SpaceX may not get such a contract until 2025.
The US Air Force mentioned that the decision to use the United States Launch Alliance’s most powerful Delta IV launch vehicle to launch spy satellites was determined by the time and coordination of satellite and rocket complexity. In terms of time, it is difficult to catch up with the launch mission at the end of this year because SpaceX's Falcon 9 heavy-duty carrier rocket has been behind schedule. The U.S. Joint Launch Alliance is currently the only launch company that can guarantee the delivery of this spy satellite payload to orbit. According to industry experts, the total cost of launching a spy satellite using Delta IV may exceed $550 million.
At the same time, the U.S. Joint Launch Alliance is developing new engines as Atlas V's boosters, and the Pentagon also seems more willing to continue the satellite launch business to a responsible Delta IV rocket. 
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