![Project co-principal investigator Jonathan Glen (lower left) with NASA and Geometrics engineers, troubleshooting SIERRA’s malfunctioned wireless system. With the wireless system down, the payload team developed a workaround that requires the aircraft to be physically tethered to the ground station to download the data after each flight.](https://appel.nasa.gov/wp-content/uploads/2012/11/Photo-3-670x380.jpg)
Problem Solving on the Fly
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By Melissa Pandika Tucked in the northeastern corner of California, Surprise Valley is set amid a high desert landscape dotted with hot springs and dry lakebeds.
By Melissa Pandika Tucked in the northeastern corner of California, Surprise Valley is set amid a high desert landscape dotted with hot springs and dry lakebeds.