Mechanical technicians crane lift the Ocean Color Instrument (OCI) onto the Tilt Mechanism. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical integration team members pose with the Ocean Color Instrument (OCI) after successful integration of the main optical components onto the flight deck. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) team reviews test plans and inspects the instrument in the thermal vacuum chamber prior to closing the large door for a sixty day thermal test which ensures the instrument will perform effectively once it launches into the airless environment of space. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) Electro-Magnetic Interference (EMI) & Electrical Ground Support Equipment (EGSE) Team pose in the control room. From this room, they are able to analyze the data from the test remotely and send commands through electrical cables that run through the walls into the EMI lab. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Alejandro Rodriguez Perez and Joe Thomes, members of the fiber optic & photonic team, configure the Ocean Color Instrument (OCI) Engineering Test Unit (ETU) Shortwave Infrared (SWIR) Detector Asembly and Multi-lens Array (MLA) fibers for thermal testing. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Andrew Scharmann, slides a lift fixture into position to ensure the Ocean Color Instrument (OCI) Main Optics Bench (MOB) and Main Optics Sub Bench (MOSB) are aligned. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Thomas Huber and mechanical engineer Peter Steigner, install an electronic box onto the Ocean Color Instrument (OCI) deck. Once the remaining boxes are installed, electrical connections will be made and testing will be performed. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) mechanical team aligns the instrument on a transportation sled and slowly pushes the instrument into a thermal vacuum chamber to prepare it for a sixty day thermal test to ensure the instrument will perform effectively once it launches into the airless environment of space. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) is configured for vibration testing. OCI is bagged with Dun-Shield to protect the instrument from contamination outside of a cleanroom environment, and also provides protection from static electricity. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians and thermal engineers work together to carefully feed the lines of a Loop Heat Pipe onto the Ocean Color Instrument (OCI). This integration operation will allow proper heat transfer throughout the instrument. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians, Thomas Huber and Joseph Eddy, integrate an electronics box to the Ocean Color Instrument (OCI) flight deck in preparation for electrical connections and testing. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Quality engineer, John Tota, poses with a magnifying glass and stands close to the textured wall in the Electro Magnetic Interference (EMI) chamber. Mr. Tota works to ensure the overall quality of the flight hardware builds on the Ocean Color Instrument (OCI). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) mechanical technician team pose in front of the instrument after successfully installing the earth shade. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

After removal from the handling container physical science technician, Kristen Washington, performs an inspection of the Ocean Color Instrument (OCI) fold flat mirror to note any scratches or damage on the optical surface before it is integrated with the other optical components of the instrument. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians, Nicholas Kwiatkowski and Thomas Huber, guide the Ocean Color Instrument (OCI) as it is suspended on a crane to install an adapter plate and for additional integration operations. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) is integrated on the Tilt Mechanism prior to environmental testing in the Spacecraft Checkout Area (SCA) cleanroom. The OCI Tilt will help the instrument avoid sun glint in a space environment. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Thermal vacuum technician, Sean Cook, monitors the Ocean Color Instrument (OCI) thermal vacuum chamber temperatures during the environmental test campaign. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Safety and Mission Assurance Directors from all NASA centers came together July 26-28, 2016 at Goddard Space Flight Center for their quarterly meeting. As part of the event, the attendees received a tour of the facilities and a briefing from the Goddard's Solar System Exploration Division Director Dr. Paul Mahaffy.

Mechanical technician, Dan Dizon, tightens bolts on the loop heat pipe radiator on the Ocean Color Instrument (OCI) in a clean tent where the final hardware of the OCI are installed and tested. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The flight Ocean Color Instrument (OCI) is connected to flex lines and other alignment calibration hardware in a thermal vacuum chamber as it is prepared for thermal testing in a clean tent at Goddard Space Flight Center in Greenbelt, MD. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Thermal blanket technicians, Aldine Joseph-pierre and Paula Cain, adjust blankets on the Ocean Color Instrument (OCI) in preparation for metrology on the Ground Support Equipment Application for Tilt or Rotation (GATOR). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Joseph Eddy, carefully guides the Ocean Color Instrument (OCI) Main Optics Bench (MOB) during a crane lift onto its turnover fixture. This fixture allows the team to integrate additional components multiple different orientations. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Systems engineer, Joseph Knuble, adjusts the intensity of a lamp during stray light testing on the Ocean Color Instrument (OCI). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians install the Flight Ocean Color Instrument (OCI) and Tilt Platform Assembly to the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) spacecraft. By installing the instrument, the spacecraft is now considered an observatory. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Engineers and technicians prepare for a crane lift to deintegrate the Ocean Color Instrument (OCI) from the Tilt Mechanism after successful environmental testing. The PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) spacecraft is seen in the background in the Spacecraft Checkout Area (SCA) cleanroom. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The flight Ocean Color Instrument (OCI) is connected to flex lines and other alignment calibration hardware in a thermal vacuum chamber as it is prepared for thermal testing in a clean tent at Goddard Space Flight Center in Greenbelt, MD. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Optical engineer, Maurice Stancil, performs final optical alignment metrology measurements prior to the Ocean Color Instrument (OCI) integration to the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) spacecraft. As he collects data and measures angles on OCI, he is able to determine if the flight hardware is in the correct position. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

An Ocean Color Instrument (OCI) optical lens is installed into the flight housing hardware for alignment measurements. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians and thermal engineers work together to carefully feed the lines of a Loop Heat Pipe onto the Ocean Color Instrument (OCI). This integration operation will allow proper heat transfer throughout the instrument. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Aerospace Engineer, Daniel Senai, inspects the Solar Calibration Assembly (SCA) Life Test Unit mechanism for the Ocean Color Instrument (OCI) to ensure it is ready for the next level of assembly. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Goddard Space Flight Center (GSFC) environmental testing team poses with the bagged Ocean Color Instrument (OCI) behind them in the acoustic chamber prior to testing. The acoustic testing will ensure that functionality of OCI is not impaired by severe launch environments. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) team transports the instrument on its dolly to a cleanroom at Goddard Space Flight Center for final operations prior to integration to the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) spacecraft. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians, Thomas Huber and John Poulsen, don safety harnesses and carefully guide the crane lifted Ocean Color Instrument (OCI) from the vibration table after successful testing. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Engineer, Joe Thomes, disconnects the Multi-Lens Array fibers from the Ocean Color Instrument (OCI) in the thermal vacuum chamber after successful thermal testing. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical Technicians, Daniel Dizon and Joseph Eddy, install the Ocean Color Instrument (OCI) Earth Shade into a thermal vacuum chamber so that team members can test the thermal capabilities of the hardware under a simulated space environment. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Test conductor, Lucas Tucker, monitors thermal vacuum testing operations in the Ocean Color Instrument (OCI) control room during the environmental test campaign. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Thermal Engineer, Deepak Patel, reviews test plans and inspects the Ocean Color Instrument (OCI) in the thermal vacuum chamber prior to the door for the instruments sixty day thermal test to ensure it will perform effectively once it launches into the airless environment of space. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Thermal engineer, Deepak Patel, inspects the tightness on a tensioning cable on the Ocean Color Instrument (OCI). After his inspection, technicians will install thermal blanketing to insulate the flight hardware for further testing. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians reorient the Ocean Color Instrument (OCI) Optical Module on a rotation fixture to allow for additional hardware integration. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) Main Optics Bench (MOB) is integrated with the Collimator Slit Assembly (CSA). The CSA is installed to measure the height, width, and depth of the hardware using a Coordinate Measurement Machine. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technicians, Nicholas Kwaitkowski, Tyere Garner, and Gary Sheridon, use a flashlight to check for clearances between the Tilt Mechanism and the Ocean Color Instrument (OCI). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Andrew Scharmann, installs a shim and inspects an optic on the Ocean Color Instrument (OCI) rotating telescope prior to integrating other hardware and optical components. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) is prepared for testing in the Electro Magnetic Interference (EMI) chamber showing the radiator side of the instrument. This test will help engineers and scientists learn if OCI will be compatible with the electromagnetic environment on the spacecraft. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Manufacturing engineer, Roman Nilov, inspects flight hardware after technicians install the Short Wave Infrared (SWIR) Pulse Calibration Assembly (SPCA) fold mirror assembly to the Ocean Color Instrument (OCI). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) team pose with OCI and its integrated Earth Shade behind a clean tent curtain. This composite image made of two frames shows the Ocean Color Instrument team standing in front of the flight hardware before the instrument is integrated to the Plankton, Aerosol, Cloud, ocean Ecosystem spacecraft in summer, 2022. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Ocean Color Instrument (OCI) team members pose with the flight hardware after successful instrument integration to the Tilt mechanism. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) is installed on the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) observatory spacecraft. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Thomas Huber, tightens bolts on the Ocean Color Instrument (OCI) is installed onto the Ground Support Equipment Application for Tilt or Rotation (GAToR) made by Newton Engineering. GAToR will allow engineers to tilt and rotate OCI in different orientations for further testing prior to integration onto the PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) spacecraft. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Optical engineer, Brendan McAndrew, installs radiometers inside the Ocean Color Instrument (OCI) thermal vacuum chamber in preparation for window calibration testing. The testing will help scientists and engineers know if the optical components of OCI are aligned correctly before it gets integrated to the PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) spacecraft. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Engineer, Marton Sharpe, and mechanical technicians, Alexander Schaeffer and Eric Norris, install the Star Tracker to the Ocean Color Instrument (OCI) prior to integration to the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) spacecraft. The Star Tracker is a specially designed sextant to measure the angle between different celestial bodies in relation to each other or the horizon. This is important not just for navigation but for providing better images and science data. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Mechanical technician, Dave Nolan, tightens bolts on the Ocean Color Instrument (OCI) Short Wave Infrared (SWIR) Pulse Calibration Assembly (SPCA). OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

Optical technician, Timothy Madison, uses a theodolite to perform optical measurements on the Ocean Color Instrument (OCI). As he collects data and measures angles on OCI, he is able to determine if the newly integrated flight hardware is in the correct position. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.

The Ocean Color Instrument (OCI) is installed on its transportation dolly and prepared for additional integration operations in a clean tent. OCI is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. OCI is PACE's (Plankton, Aerosol, Cloud, ocean Ecosystem) primary sensor built at Goddard Space Flight Center in Greenbelt, MD.