Resolute Castle '17 opens with US, Romanian unity Army Col. Paul Mattern, commander of the 926th Engineer Brigade, and Romanian Land Forces Brig. Gen. Gheorghe Soare, commander of the 10th Engineer Brigade, exchange gifts after the opening ceremony for Resolute Castle 2017 at Cincu Training Center, Romania, April 14, 2017. Army photo by Pvt. Nicholas Vidro SHARE: Download: Full Size (1.86 MB) Tags: operation atlantic resolve, nato, Romania, Cincu Training Area, US ARMY EUROPE, US Army Credit: Pvt. Nicholas Vidro VIRIN: 170414-A-XO050-0482.JPG Photo Gallery