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Barrios provides engineering for the development of space vehicles and systems. For crewed vehicles, our engineers
adhere to the stringent safety and operational requirements of human space flight.
Aerospace engineering for space systems is a part of the Barrios tradition of excellence.
Barrios engineering expertise includes:
• Orbital Analysis
• Guidance, Navigation and Control
• Modeling and Simulation
• Vehicle and Payload Integration
• Avionics
• Electrical Power Systems
• Astrodynamics and Trajectory Design and Analysis
• Scientific Materials Research
Examples of services provided:
Our engineers design ascent, orbit, and descent flight trajectories that best satisfy
mission and cargo requirements within the constraints of vehicle, crew, and range
safety. We perform orbital analysis including mission design evaluations, analysis
of mass properties and software mission initialization parameters, determination
of a commit-to-flight position, pre- and post-flight analysis, and design and
certification studies for new and enhanced capabilities.
We perform full six degrees-of-freedom simulations for flights with the design based
on mission profiles. Models include vehicle dynamics, thermal, power, communications
and environmental factors. For the Space Shuttle flights, we compare the simulations
against the actual flight results for further refinement of future modeling and simulations.
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Barrios engineers perform system engineering and integration by analyzing system
level requirements and supporting element end item and component design reviews
to ensure compatibility of the design. For the International Space Station (ISS), we
assess station berthing mechanisms' capability and limitations for on-orbit assembly missions.
We verify that hardware processing and operations
are within the hardware qualification and certification limits,
and our safety engineers perform stress analysis testing for flight hardware.

Our vehicle and system integrated engineering analysis includes supporting
on-orbit resource management, performing manifest assessments,
reviewing integrated propulsion and loads analysis, performing time-
phased power/thermal integrated performance and resource utilization
analysis, and providing real-time console mission support.
Our engineers support NASA in providing oversight for all aspects
of each flight to the ISS. The Increment
Engineers assist NASA in managing, conducting, performing, and evaluating
all preflight, real-time, and post-flight tasks. These tasks are required to
define, plan, implement, and complete the mission successfully.
The Launch Package Engineers ensure ISS operations, maintenance,
sustaining engineering, and research and development requirements
are implemented pre-mission and during joint operations. Barrios
engineers provide oversight for assembly and transfer operations including those of the
International Partners as their hardware is prepared for launch to the ISS.
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Barrios scientists perform curation of astromaterials
and conduct planetary materials research using electron microscopy,
mass spectrometry, and gas chromatography. We also perform materials
and hypervelocity impact testing.
Barrios engineers have supported Department of Defense space missions
including experiments from
free-flying payloads, technology demonstrations, and lunar mapping.
Previous work included support for the Infrared Background Signature
Survey, experiments launched from the Space Shuttle, the Defense
Satellite Program, and the Global Positioning System.
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