STS-101
| Williams outside Unity during the mission's sole EVA | |
| Names | Space Transportation System-101 | 
|---|---|
| Mission type | ISS assembly/logistics | 
| Operator | NASA | 
| COSPAR ID | 2000-027A | 
| SATCAT no. | 26368 | 
| Mission duration | 9 days, 21 hours, 10 minutes, 10 seconds | 
| Distance travelled | 6.6 million km (4.1 million mi) | 
| Orbits completed | 155 | 
| Spacecraft properties | |
| Spacecraft | Space Shuttle Atlantis | 
| Landing mass | 100,369 kg (221,276 lb) | 
| Payload mass | 1,801 kg (3,971 lb) | 
| Crew | |
| Crew size | 7 | 
| Members | |
| EVAs | 1 | 
| EVA duration | 6 hours, 44 minutes | 
| Start of mission | |
| Launch date | 19 May 2000, 10:11:10 UTC, 06:11:10 am EDT | 
| Launch site | Kennedy, LC-39A | 
| End of mission | |
| Landing date | 29 May 2000, 06:20:19 UTC, 02:20:19 am EDT | 
| Landing site | Kennedy, SLF Runway 15 | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Low Earth | 
| Perigee altitude | 319 km (198 mi) | 
| Apogee altitude | 332 km (206 mi) | 
| Inclination | 51.5° | 
| Period | 91.04 minutes | 
| Epoch | 21 May 2000 | 
| Docking with ISS | |
| Docking port | Unity forward (PMA-2) | 
| Docking date | 21 May 2000, 04:31 UTC | 
| Undocking date | 26 May 2000, 23:03 UTC | 
| Time docked | 5 days, 18 hours, 32 minutes | 
| Standing, from left: Weber, Williams (in white), Usachov, Voss (in white) and Helms Seated: Halsell and Horowitz | |
STS-101 was a Space Shuttle mission to the International Space Station (ISS) flown by Space Shuttle Atlantis. The mission was a 10-day mission conducted between 19 May 2000 and 29 May 2000. The mission was designated 2A.2a and was a resupply mission to the International Space Station. STS-101 was delayed 3 times in April due to high winds. STS-101 traveled 4.1 million miles and completed 155 revolutions of the earth and landed on runway 15 at Kennedy Space Center. The mission was the first to be flown by a shuttle equipped with a glass cockpit.