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NASA’s 777 Aircraft Returns Home with Science Flights on the Horizon

The white 777 aircraft can be seen touching down on a long runway with a row of grass along the pavement at NASA's Langley Research Center.

After heavy structural modifications in Waco, Texas, NASA’s 777 aircraft returns to Langley Research Center in Hampton, Virginia.

Credits:
NASA/Ryan Hill

NASA’s Boeing 777 has returned to the agency’s fleet after undergoing heavy structural modifications as it transforms from a giant passenger plane into the agency’s next-generation airborne science laboratory. After a check flight and a three-hour transit from Waco, the aircraft returned to NASA’s Langley Research Center in Hampton, Virginia, on April 22.

Since January 2025, the aircraft has been in Texas receiving hardware and structural upgrades to prepare for science operations. The modifications include installing dedicated research stations and extensive wiring. This allows payload systems to communicate with sensors such as lidar and infrared imaging spectrometers during flights. Cabin windows were enlarged and open portals installed at the bottom of the fuselage to mount remote-sensing instruments.

A white 777 aircraft is shown in a warehouse space with support scaffolding underneath it. A few windows along the fuselage have been cut out and replaced with larger windows to serve as instrument viewports.
Widened windows along the NASA 777 will serve as viewports for a variety of scientific instrument sensors. Modifications on the belly of the aircraft at the L3Harris facility in Waco require extensive support to ensure aircraft alignment during reassembly.
Credit: L3Harris

“Airborne missions at NASA use cutting-edge instruments to explore and understand our home planet,” said Derek Rutovic, program manager for the Airborne Science Program at NASA Headquarters in Washington. “The 777 will be the largest airborne research laboratory in our fleet, collecting data to improve life on our home planet and extend our knowledge of the Earth system as a whole.”

Acquired in 2022 to succeed NASA’s retired DC-8 aircraft, the 777 will expand the agency’s airborne research capacity. It can accommodate 50 to 100 operators and carry 75,000 pounds of equipment for flights lasting up to 18 hours.

“NASA’s DC-8 was an incredible workhorse for Earth science for nearly 40 years,” said Kirsten Boogaard, the NASA 777 program manager at NASA Langley and former deputy program manager of NASA’s DC-8. “Being part of that team, I got to see the impact up close. I’m excited for what the 777 will bring. It gives us the ability to bring together more partners, more educational opportunities, and more instruments. That will make a real difference in the data we collect moving forward.”

A view from inside the cabin of the 777 shows holes in the bottom of the fuselage where viewports have been cut. Workers are throughout the cabin, standing above and below the ports.
L3Harris installs viewports in the 777 aircraft cargo bay that will house advanced scientific instruments.
Credit: L3Harris

The aircraft’s inaugural science mission, slated to deploy in January 2027, will investigate high-impact winter weather events, such as severe cold air outbreaks, wind, snow and ice storms, and hazardous seas. Known as the North American Upstream Feature-Resolving and Tropopause Uncertainty Reconnaissance Experiment (NURTURE), the mission will collect detailed atmospheric observations across a vast region spanning North America, Europe, Greenland, and the Arctic and North Atlantic Oceans.

A worker
Temporary fasteners are utilized to map out hole patterns through four layers of reinforcement. Nearly 35,000 precision holes are drilled into the belly of the aircraft.
Credit: L3Harris

“We’ve been completing the engineering design and analysis to install the NURTURE payload into the aircraft in parallel with the portal modification,” Rutovic said. “We’re excited to get the airplane back home to NASA and on the road to its first mission.”

The NASA 777’s major structural modification was performed by L3Harris Technologies in partnership with Yulista Holding, LLC. Research station and wiring upgrades in the cabin are being performed by NASA and HII. NASA’s Airborne Science Program is responsible for providing aircraft systems that further science and advance the use of satellite data and is part of the Science Mission Directorate’s Earth Science Division.

To learn more about NASA’s airborne science missions, visit:

https://airbornescience.nasa.gov

NASA’s 777 Aircraft Returns Home with Science Flights on the Horizon