Question: When was the former United States Army soldier born who married Hitomi Soga-Jenkins?

Context paragraphs:
Charles Robert Jenkins: Charles Robert Jenkins (born February 18, 1940) is a former United States Army soldier who lived in North Korea from 1965 to 2004 after deserting from his unit and crossing the Korean Demilitarized Zone.

James McCloughan: James C. McCloughan (born 30 April 1946) is a former United States Army soldier and a Vietnam War veteran.  For his actions during the war, McCloughan was presented the Medal of Honor on 31 July 2017 by United States President Donald Trump, the first such award of Trump's administration.

Salvatore Giunta: Salvatore Augustine Giunta ( ; born January 21, 1985) is a former United States Army soldier and the first living person since the Vietnam War to receive the U.S. military's highest decoration for valor, the Medal of Honor.  Giunta was cited for saving the lives of members of his squad on October 25, 2007 during the War in Afghanistan.  He left the U.S. Army in June 2011.

Hitomi Soga: Hitomi Soga-Jenkins (Japanese: 曽我ひとみ "Soga Hitomi", born May 17, 1959) is a Japanese woman who was abducted to North Korea together with her mother, Miyoshi Soga, from Sado Island, Japan, in 1978.  She married Charles Robert Jenkins, an American defector to North Korea, in 1980.  Soga currently lives in Japan.

Ronald E. Rosser: Ronald Eugene Rosser (born October 24, 1929) is a former United States Army soldier who received the United States military's highest decoration, the Medal of Honor, for his actions in the Korean War.

Gary B. Beikirch: Gary Burnell Beikirch (born August 29, 1947) is a former United States Army soldier who received the United States military's highest decoration, the Medal of Honor, for his actions in the Vietnam War.  A combat medic, Beikirch was awarded the medal for exposing himself to intense fire in order to rescue and treat the wounded, and for continuing to provide medical care despite his own serious wounds, during a battle at Dak Seang Camp, Vietnam.

Junior J. Spurrier: Junior James Spurrier, born James I. Spurrier, Jr., was a former United States Army soldier who received the United States' two highest military decorations for valor—the Medal of Honor and Distinguished Service Cross—for his heroic actions in World War II.

Robert D. Maxwell: Robert Dale Maxwell (born October 26, 1920) is a former United States Army soldier and a recipient of the United States military's highest decoration, the Medal of Honor, for his actions in World War II.  With the death of Nicholas Oresko on October 4, 2013, Maxwell became the oldest living Medal of Honor recipient.

Charles B. Gatewood: First Lieutenant Charles Bare Gatewood (April 5, 1853 – May 20, 1896) was an American soldier born in Woodstock, Virginia.  He served in the United States Army in the 6th Cavalry after graduating from West Point.  Upon assignment to the American Southwest, Gatewood led platoons of Apache and Navajo scouts against renegades during the Apache Wars.  In 1886, he played a key role in ending the Geronimo Campaign by persuading Geronimo to surrender to the army.  Beset with health problems due to exposure in the Southwest and Dakotas, Gatewood was critically injured in the Johnson County War and retired from the Army in 1895, dying a year later from stomach cancer.  Before his retirement he was nominated for the Medal of Honor, but was denied the award.  He was portrayed by Jason Patric in the 1993 film "".

Noah Galloway: Noah Matthew Galloway (born October 28, 1981) is a former United States Army soldier, motivational speaker, and extreme sports enthusiast.  He was injured during the Iraq War, losing his left arm above the elbow and left leg above the knee.  He was a contestant on "Dancing with the Stars" season 20, paired with Sharna Burgess.  The pair finished in third place.  He led his team to victory in the first season of the "American Grit" TV show on FOX.  His book "Living with No Excuses: The Remarkable Rebirth of an American Soldier" was released in August 2016.

Supporting paragraphs: Hitomi Soga Charles Robert Jenkins
Answer: February 18, 1940