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Brothers in arms: Quantocks serve as major generals in U.S. Army

David Quantock (left) and Mark Quantock pose for a photo during a deployment in Afghanistan. Mark Quantock, NGA’s military deputy, was promoted July 18 to the rank of major general, making him the same rank as his older brother. Photo courtesy of Mark Quantock.

Brothers in arms: Quantocks both serve as major generals in U.S. Army

By Nancy McGillicuddy Rapavi, NGA Office of Corporate Communications

When Mark Quantock pinned on a second star July 18 at the National Geospatial-Intelligence Agency he joined his older brother, David Quantock, in the rank of U.S. Army major general.

Mark Quantock, the military deputy at the NGA, was promoted to major general in a ceremony surrounded by family, friends and colleagues. His brother, who is 18 months older, is the provost marshal general of the Army and the commanding general of the U.S. Criminal Investigation Command and Army Correction Command.

The newly pinned major general, who advises NGA on combat support functions, credits his parents Earl and Phyllis Quantock with his success.

“Any success Dave and I — and our younger brother, Eric — have had can be traced back to a fantastic set of parents who built a loving, supportive home for us,” said Quantock, a Plattsburgh, New York native. “Our folks were firm, but fair and we knew that they always had our back.”

  Mark Quantock, bottom left, and his brother, David, stand with their father in an undated photo. Both brothers are now major generals in the U.S. Army. Photo courtesy of the Quantock family.

The Quantock family has a long tradition of Army service.

“My family immigrated to the U.S. at the turn of the 20th century and has been slowly populating the Army ever since,” said Quantock.

Quantock’s father, the late Earl G. Quantock, retired as a major in the U.S. Army after completing two tours in Vietnam as an armored cavalryman.

Quantock’s two uncles also served in the Army and were non-commissioned officers during World War II. Two of Quantock’s nephews are currently captains in the Army.
Quantock said service to the Army is not the only thing the brothers — both fathers of three children — have in common.


Mark Quantock’s father, the late Earl G. Quantock, retired as a major in the U.S. Army after two tours in Vietnam as an armor officer. Quantock credits his father and his mother, Phyllis, with his success. Quantock thanked his late father at his promotion ceremony June 18. “My dad, Maj. Earl Quantock, always had my back both while he was here on earth and from his over watch position in heaven,” he said. Photo courtesy of Mark Quantock.

“We are both very proud of the accomplishments of our now-grown children,” he said. “And, we are both big fans of the Washington Redskins.”

Even though the brothers are so close in age, Quantock said sibling rivalry did not exist in their formative years.

“It really wasn't much of a competition. Dave was a better athlete and did better in school, but I had better hair back then,” quipped Quantock, who now sports a shaved head. “I've clearly lost my edge in that category.”

Both major generals are stationed in the Washington D.C. area and get together one Sunday a month for a seven-mile run.

“We talk frequently and I have always valued (David’s) perspective,” said Quantock.

Mark Quantock was commissioned in 1980 into the Army’s military intelligence corps from the New Mexico Military Institute. David Quantock received his commission into the military police branch in 1980 from Norwich University.

Mark Quantock’s wife, Rebecca, and NGA Director Letitia A. Long both pinned a second star onto his dress blue uniform.

Long touted Quantock’s extraordinary leadership style as one that brings out positive qualities in those around him.

“He encourages participation (so that) we end up with the best solutions; we end up with the best answers. We end up with the best way forward,” said Long. “Couple that with his experience — it enables us to deliver the best GEOINT.”