Expedition 23
| Promotional Poster | |
| Mission type | Long-duration expedition | 
|---|---|
| Mission duration | 76 days, 16 hours, 1 minute | 
| Expedition | |
| Space station | International Space Station | 
| Began | 18 March 2010, 08:03 UTC | 
| Ended | 2 June 2010, 00:04 UTC | 
| Arrived aboard | Soyuz TMA-17 Soyuz TMA-18 | 
| Departed aboard | Soyuz TMA-17 Soyuz TMA-18 | 
| Crew | |
| Crew size | 6 | 
| Members | Expedition 22/23: Oleg Kotov Soichi Noguchi Timothy Creamer Expedition 23/24: Aleksandr Skvortsov Mikhail Korniyenko Tracy Caldwell Dyson | 
| Expedition 23 mission patch (l-r) Korniyenko, Caldwell Dyson, Skvortsov, Kotov, Creamer and Noguchi | |
Expedition 23 (Russian: МКС-23) was the 23rd long-duration mission to the International Space Station (ISS). Expedition 23 began with the Soyuz TMA-16 undocking on 18 March 2010. Shortly thereafter cosmonauts Aleksandr Skvortsov and Mikhail Korniyenko and astronaut Tracy Caldwell Dyson arrived at the Space Station on Soyuz TMA-18 on 4 April 2010. The Soyuz spacecraft lifted off from the Baikonur Cosmodrome at 00:04 EST on 2 April 2010.