Jason Wright, seen here during his 15-month deployment to Iraq, served in the military for nine years before resigning last week. Courtesy of Jason Wright hide caption

itoggle caption Courtesy of Jason Wright

An Oct. 28, 1985 photo of John A. Walker Jr., being escorted by a federal marshal as he leaves the Montgomery County Detention Center in Rockville, Md., enroute to a federal court in Baltimore. He was ultimately sentenced to life in prison on espionage charges. Bob Daugherty/AP hide caption

itoggle caption Bob Daugherty/AP

This image, posted on a militant website, shows an Islamic State fighter waving a flag from a captured government fighter jet in Raqqa, Syria. The group is well-funded and has gained territory over the past few months; that's raised some concerns in America, although experts say the organization is largely focused on regional goals. AP hide caption

itoggle caption AP

This handout photo provided by the Office of the Defense Secretary (OSD), taken Aug. 19, 2014, shows a Chinese fighter jet that the White House said Friday conducted a "dangerous intercept" of a U.S. Navy surveillance and reconnaissance aircraft. Uncredited/AP hide caption

itoggle caption Uncredited/AP

A photo from March 2008 provided by the Hennepin County, Minn., Sheriff's Office shows Douglas McAuthur McCain, who was killed recently fighting alongside Islamic State militants in Syria. AP hide caption

itoggle caption AP