The NASA TRACERS mission is set to launch on Wednesday atop a SpaceX Falcon 9 rocket after SpaceX postponed Tuesday's launch due to "airspace concerns."

As SpaceX prepares to send up its 19th Dragon spacecraft with humans on board, the Boeing Starliner — which has only completed half of a crewed mission to date — remains in fix-it mode. Its next

SpaceX has lined up an evening launch from Cape Canaveral on Monday, but the threat of thunderstorms could force a delay.

SpaceX plans to launch a Falcon 9 rocket from Vandenberg Space Force Base on Wednesday, and area residents may hear a sonic boom.

Airspace concerns apparently related to wider equipment outage Tuesday caused a last-minute hold and a 24-hour delay for a Falcon 9 rocket launch with

Following a series of delays, SpaceX, Axiom Space, and NASA are now targeting 2:31 a.m. ET on Wednesday, June 25, (11:31 p.m. PT on Tuesday, June 24) for the launch of Axiom Space’s fourth private astronaut mission to the International Space Station (ISS). The new schedule was announced on Monday night.

Ax-4 is commanded by Axiom's director of human spaceflight and former NASA astronaut Peggy Whitson. Joining her are Shubhanshu Shukla of India, Sławosz Uznański-Wiśniewski from Poland, and Tibor Kapu, from Hungary. The three will be the first astronauts from each of their nations to launch on a mission to the ISS.

SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the private Axiom Space Ax-4 mission to the International Space

The Federal Aviation Administration said a regional power outage disrupted telecommunications at the Los Angeles Air Route Traffic Control Center, which forced postponing of the SpaceX Falcon 9 TRACERS launch on Tuesday.