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| STS-64 | |
|---|---|
| Name | STS-64 |
| Mission type | Space Shuttle mission |
| Operator | National Aeronautics and Space Administration |
| Mission duration | 10 days, 22 hours, 49 minutes, 13 seconds |
| Launch date | September 9, 1994 |
| Launch site | Kennedy Space Center Launch Complex 39B |
| Landing date | September 20, 1994 |
| Orbit | Low Earth orbit |
| Spacecraft | Space Shuttle Discovery |
STS-64
STS-64 was a Space Shuttle mission flown by Discovery in September 1994, notable for testing autonomous rendezvous sensors, deploying and retrieving an experimental platform, and conducting atmospheric and life sciences research. The mission combined engineering demonstrations with payload operations involving NASA, Jet Propulsion Laboratory, Marshall Space Flight Center, and international collaborators such as Canadian Space Agency and European Space Agency. STS-64 contributed to advancements that informed later programs including STS-71, STS-74, and preparations for International Space Station assembly flights.
The mission launched from Kennedy Space Center Launch Complex 39B and entered low Earth orbit for nearly eleven days, supporting technology demonstrations, remote sensing experiments, and materials processing. Objectives included evaluation of the Laser Tracking System (LTS), validation of the Orbiter Boom Sensor System for proximity operations, deployment and retrieval of the Wake Shield Facility, and execution of life sciences investigations coordinated with Johnson Space Center and university partners. The flight also carried instruments developed by Ames Research Center, Langley Research Center, and international institutions to study atmospheric composition and microgravity effects.
The six-person crew brought together astronauts from multiple NASA astronaut groups, combining veteran fliers and mission specialists trained at Johnson Space Center and operations staff from Kennedy Space Center. The commander and pilot executed rendezvous burns and reentry procedures in coordination with flight controllers at Mission Control Center in Houston, Texas. Mission specialists handled payload operations in the orbiter payload bay and operated the Canadarm robotic arm developed by the Canadian Space Agency for deployment and retrieval tasks.
Primary payloads included the autonomous tracking and proximity hardware mounted on the Orbiter Boom Sensor System, designed to support inspection and rendezvous tasks for Space Shuttle operations and future International Space Station servicing. The flight deployed the Wake Shield Facility, an experimental platform for producing ultra-high-vacuum conditions for thin-film deposition, developed through cooperation with University of Houston researchers and Air Force Research Laboratory. Instruments for atmospheric remote sensing included platforms supported by Ames Research Center and payloads investigating the ionosphere and atmospheric chemistry designed by teams from Massachusetts Institute of Technology, California Institute of Technology, and National Oceanic and Atmospheric Administration. Life sciences studies undertaken with support from Johnson Space Center examined human physiology responses with sensors and biomedical assays contributed by University of Texas and international laboratories.
After launch from Kennedy Space Center the crew performed a series of rendezvous and proximity operations using the Orbiter Boom Sensor System while tracking targets with the Laser Tracking System coordinated by Jet Propulsion Laboratory specialists. The Wake Shield Facility was deployed using the Canadarm and later retrieved after completing thin-film deposition experiments in vacuum, with operations monitored by teams at Marshall Space Flight Center and principal investigators at University of Houston. Mid-mission activities included Earth observation passes over sites of interest such as Amazon rainforest regions, Great Lakes, and polar monitoring coordinated with National Oceanic and Atmospheric Administration and European Space Agency remote sensing programs. The mission concluded with deorbit burns and runway landing at Kennedy Space Center supported by Orbiter Maintenance Downlist and processing teams.
The flight marked the first use of a non-rigid, extended Orbiter Boom Sensor System for detailed inspection of an orbiter's thermal protection surfaces, informing inspection protocols used later in STS-114 and post-accident return-to-flight preparations. The Wake Shield Facility demonstrated thin-film growth in free molecular flow, advancing technologies relevant to semiconductor research performed at Stanford University and Massachusetts Institute of Technology. The Laser Tracking System and autonomous sensors contributed to rendezvous techniques later applied during Mir docking support missions and International Space Station assembly, involving collaborative operations with Roscosmos and other international partners.
The mission insignia, designed by in-house NASA insignia artists in consultation with the crew, incorporated elements symbolizing technological demonstration and Earth observation, echoing motifs used in Space Shuttle era patches. Colors and symbols referenced the Wake Shield Facility and the extendable boom, connecting visual motifs with hardware developed at institutions including Marshall Space Flight Center and Jet Propulsion Laboratory. The patch design followed conventions established during earlier missions such as STS-41 and STS-51-L commemorative styles.
Technologies validated during the mission informed inspection and rendezvous procedures applied on subsequent Space Shuttle flights and contributed to standards employed during International Space Station assembly and servicing. Scientific results from the Wake Shield Facility influenced materials science programs at Air Force Research Laboratory and university research groups, while atmospheric data supported long-term monitoring efforts by National Oceanic and Atmospheric Administration and European Space Agency. Personnel and operational lessons from the flight shaped training and mission planning at Johnson Space Center, Kennedy Space Center, and international partner agencies, leaving a lasting imprint on human spaceflight practices.
Category:NASA space shuttle missions