Soyuz U | Progress 23
Soyuz U | Progress 23 rode a Soyuz U into space from Baikonur Cosmodrome, Republic of Kazakhstan, deploying its payload to the designated orbit.
- Launch time
- Status
- SUCCESS
- Operator
- Soviet Space Program
- Mission type
- Orbital
- Rocket
- Soyuz U
- Launch site
- Baikonur Cosmodrome, Republic of Kazakhstan
- Launch pad
- 1/5
- Payload
- —
- Target orbit
- Unknown

Mission timeline
- 1984-08-14T06:28:15.000ZSoyuz U lifts off from Baikonur Cosmodrome, Republic of Kazakhstan.
- Soyuz U passes through max aerodynamic pressure (Max Q).
- Main engine cutoff — the first stage shuts down as planned.
- Stage separation — the first stage separates cleanly.
- Second-stage engine ignites for the next phase of flight.
- Mission success — all objectives completed.