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James Hartsfield October 12, 1993

Release No. 93-078


Flight control for STS-58, the 15th voyage of Columbia, will follow the procedures and traditions common to U.S. manned space flights since 1965, when the Mission Control Center was first used.

Responsibility for conducting Shuttle operations will revert to the Mission Control Center (MCC) in Houston once Columbia's two solid rocket boosters ignite. Mission support in the MCC will begin five hours prior to launch and continue through landing.

The primary objectives of STS-58 are medical investigations into how weightlessness affects the human body that will be conducted in the Spacelab Life Sciences-2 module in Columbia's cargo bay.

Orbiter operations will be conducted from Flight Control Room One (FCR-1) on the second floor of the MCC located in Bldg. 30 at the Johnson Space Center. Operations of the Spacelab module and the science investigations it contains will be conducted from Spacelab Operations Control in the Payload Operations Control Center at the Marshall Space Flight Center, Huntsville, Al. Voice communications with the orbiter will be on one of the air-to-ground communications channels from the MCC with the call signs "CAPCOM" and "Houston," while simultaneous voice communications concerning the Spacelab will be conducted on a second shuttle air-to-ground channel from Spacelab Operations using the call signs "Spacelab" and "Huntsville." The teams of MCC flight controllers will alternate shifts in the control center and in nearby analysis and support facilities. The handover between each team takes about an hour and allows each flight controller to brief his or her replacement on developments during the previous two shifts.

The flight control teams for this mission will be referred to as the Ascent/Entry, Orbit 1, 2, 3, and 4 teams. The Ascent and Entry teams will be led by Flight Director Wayne Hale. The Orbit 1 shift will be conducted by lead Flight Director for STS-58 Linda Ham. The Orbit 2 team will be directed by Flight Director Phil Engelauf, and the Planning team will be led by Flight Director Gary Coen. Team 4, a team that will serve to provide members of the first three flight control teams with a brief break during the 14-day long mission, will be led by Team 4 Flight Director John Muratore.



The flight control positions in the MCC, and their responsibilities, are:

Flight Director (FLIGHT)

Has overall responsibility for the conduct of the mission.

Spacecraft Communicator (CAPCOM)

By tradition an astronaut; responsible for all voice contact with the flight crew.

Flight Activities Officer (FAO)

Responsible for procedures and crew timelines; provides expertise on flight documentation and checklists; prepares messages and maintains all teleprinter and/or Text and Graphics System traffic to the vehicle.

Integrated Communications Officer (INCO)

Responsible for all Orbiter data, voice and video communications systems; monitors the telemetry link between the vehicle and the ground; oversees the uplink command and control processes.

Flight Dynamics Officer (FDO)

Responsible for monitoring vehicle performance during the powered flight phase and assessing abort modes; calculating orbital maneuvers and resulting trajectories; and monitoring vehicle flight profile and energy levels during reentry.

Trajectory Officer (TRAJECTORY)

Also known as "TRAJ," this operator aids the FDO during dynamic flight phases and is responsible for maintaining the trajectory processors in the MCC and for trajectory inputs made to the Mission Operations Computer.

Guidance, Navigation & Control Systems Engineer (GNC)

Responsible for all inertial navigational systems hardware such as star trackers, radar altimeters and the inertial measurement units; monitors radio navigation and digital autopilot hardware systems.

Guidance & Procedures Officer (GPO)

Responsible for the onboard navigation software and for maintenance of the Orbiter's navigation state, known as the state vector. Also responsible for monitoring crew vehicle control during ascent, entry, or rendezvous.

Rendezvous Guidance and Procedures Officer (RENDEZVOUS)

The RENDEZVOUS GPO is specialist who monitors onboard navigation of the Orbiter during rendezvous and proximity operations.

Environmental Engineer & Consumables Manager (EECOM)

Responsible for all life support systems, cabin pressure, thermal control and supply and waste water management; manages consumables such as oxygen and hydrogen.

Electrical Generation and Illumination Officer (EGIL)

Responsible for power management, fuel cell operation, vehicle lighting and the master caution and warning system.

Payloads Officer (PAYLOADS)

Coordinates all payload activities; serves as principal interface with remote payload operations facilities.

Data Processing Systems Engineer (DPS)

Responsible for all onboard mass memory and data processing hardware; monitors primary and backup flight software systems; manages operating routines and multi-computer configurations.

Propulsion Engineer (PROP)

Manages the reaction control and orbital maneuvering thrusters during all phases of flight; monitors fuel usage and storage tank status; calculates optimal sequences for thruster firings.

Booster Systems Engineer (BOOSTER)

Monitors main engine and solid rocket booster performance during ascent phase.

Ground Controller (GC)

Coordinates operation of ground stations and other elements of worldwide space tracking and data network; responsible for MCC computer support and displays.

Maintenance, Mechanical, Arm & Crew Systems (MMACS)

Formerly known as RMU; responsible for remote manipulator system; monitors auxilliary power units and hydraulic systems; manages payload bay and vent door operations.

Extravehicular Activities (EVA)

A specialist responsible for monitoring and coordinating preparations for and execution of space walks. Responsibilities include monitoring suit and EVA hardware performance.

Payload Deployment & Retrieval Systems (PDRS)

A specialist responsible for monitoring and coordinating the operation of the remote manipulator system.

Flight Surgeon (SURGEON)

Monitors health of flight crew; provides procedures and guidance on all health-related matters.

Public Affairs Officer (PAO)

Provides real-time explanation of mission events during all phases of flight.





FLIGHT Wayne Hale Linda Ham (lead) Phil Engelauf Gary Coen/

John Muratore

CAPCOM Curtis Brown (A)

Ken Cockrell (E)

Susan Helms Carl Meade Charlie Precourt/

Greg Harbaugh

PAO Jeff Carr (A)

Billie Deason (E)

Billie Deason (MCC)

Kari Fluegel (POCC)

Kyle Herring (MCC)

J. Hartsfield (POCC)

Rob Navias/

Catherine Watson

FAO Rich Cilento Rich Cilento Fisher Reynolds Clare Kingsford/

Jennifer Price

INCO Harry Black Harry Black Chris Counts J.E. Conner/

F. MacFarlane

FDO Ed Gonzales (A)

Deborah Kessler (E)

Bill Britz Roger Simpson Lisa Shore

TRAJ Doug Rask (A)

Doug Rask (E)

Richard Theis Philip Burley Matt Riggio

GPO Jeff Bertsch (A)

Kelly Beck (E)


GNC Leroy Cain Leroy Cain Jeff Davis Charles Alford/

Ed Trlica

EECOM Quinn Carelock Quinn Carelock Dan Molina Leonard Riche/

Jimmy Spivey

EGIL Ray Miessler Ray Miessler Larry Minter Brian Pawlik/

Jim Azbell

PAYLOADS Debbie Bulgher Debbie Bulgher Roger Galpin Dennis Lewis/

Ken Edwards

DPS Gary Sham Gary Sham K.C. Terry Robert Walton/

Terry Keeler

PROP William Powers William Powers Chad Clement Carlyle Lowe/

Lonnie Schmitt

BOOSTER Ken Dwyer N/A N/A Brett Shifflet

GC Ed Klein

John Snyder

Terri Quick

Melissa Blizzard

Chuck Capps

Johnnie Brothers

Frank Stolarski

Al Davis

MMACS Robert Doremus Robert Doremus Alan Simon Jeff Kling/

LaDessa Hicks



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