Thirty years after U.S. Marine Corps Master Sgt. Al Blankenship completed a military tour in Southeast Asia, his daughter, Gabrielle, went there with the gospel of Christ. Gabrielle Blankenship of Billingsley, the 2005 “Miss Judson College,” spent a little more than three months last fall in Ho Chi Minh City, Vietnam, under the sponsorship of the International Mission Board (IMB).…