In April 2016, the U.S. Air Force awarded the first such national security launch, an US$82.7 million contract to SpaceX to launch the 2nd GPS 3 satellite launched on 22 August 2019; this estimated cost was approximately 40% less than the estimated cost for similar previous missions.[69][70][71] Prior to this, United Launch Alliance was the only provider certified to launch national security payloads.[72][73] ULA did not submit a bid for the May 2018 launch.[74][75]