United Launch Alliance Puts STP-3 Launch On Hold

An Atlas V lifts off from Space Launch Complex 41 at Cape Canaveral Space Force Station on May 18 with the SBIRS GEO 5 satellite.
Credit: ULA
CAPE CANAVERAL—United Launch Alliance (ULA) is standing down from its planned June 23 launch of an Atlas V rocket with the Air Force Test Payload-3 (STP-3) to review a potential issue with oscillations of the booster’s upper stage engine nozzle, the company said on June 4. The evaluation started...
Irene Klotz

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic spaceflight, commercial space, astronomy, science and technology for Reuters and United Press International.

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