Garvey was a helicopter pilot who had recently returned from a nine-month stint in Afghanistan. He attended the University of Connecticut on an ROTC scholarship and graduated in 2012, the Ridgefield Press reported.
Authorities said Garvey was walking along Interstate 40 in Nashville when two vehicles slammed into him, according to the Nashville Tennessean. It was not known why he was walking along the highway.
Officials said a gray Nissan SUV was parked on the shoulder near where Garvey was hit. Witnesses told police a man was outside the SUV but was gone before responders arrived, the Tennessean reported.
Nashville Police are investigating and ask that anyone who has information about the driver of the Xterra or Garvey's whereabouts before the crash call 615-862-7738.
Garvey is survived by his parents, William Garvey and Tamara Eberlein; brothers, Michael and John, and his twin sister, Samantha; his maternal grandparents as well as several aunts, uncles and cousins.
Kane Funeral Home, 25 Catoonah St., is handling arrangements and a service will be held at Jesse Lee Methodist Church, the Ridgefield Press said. Dates and times of services will be available through the funeral home and church.
He had served as an AH-64 Apache helicopter pilot in combat, as a maintenance test pilot, and headed a helicopter maintenance platoon. He was based at Fort Campbell, Ky., and lived in Nashville, the Ridgefield Press said.
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