Nathan Twining Elementary and Middle School students climb into a Humvee with the help of Master Sgt. Kory Henry, 319th Security Forces Squadron first sergeant, for Cops for Tots day during National Police week on Grand Forks Air Force Base, N.D., May 12, 2015. Police Week was established in 1962 by President John F. Kennedy to pay special recognition to those law enforcement officers who have lost their lives in the line of duty for the safety and protection of others. (U.S. Air Force photo by Airman 1st Class Bonnie Grantham/Released)
Master Sgt. Kory Henry, 319th Security Forces Squadron first sergeant, poses with students from Nathan Twining Elementary and Middle School in front of a Humvee brought by the 319th Security Forces Squadron for National Police Week on Grand Forks Air Force Base, N.D., May 12, 2015. The students were able to sit in the Humvee and try on a flak vest and Kevlar helmet as well. (U.S. Air Force photo by Airman 1st Class Bonnie Grantham/Released)
Master Sgt. Kory Henry, 319th Security Forces Squadron first sergeant, fits a Kevlar helmet on a student from the Nathan Twining Elementary and Middle School for Cops for Tots during National Police Week on Grand Forks Air Force Base, N.D., May 12, 2015. The students were able to sit in a Humvee as well as a U.S. Customs and Border Protection patrol vehicle. (U.S. Air Force photo by Airman 1st Class Bonnie Grantham/Released)
Students from the Nathan Twining Elementary and Middle School line up to shake hands and hug McGruff the Crime Dog for Cops for Tots day during National Police Week on Grand Forks Air Force Base, N.D., May 12, 2015. The students were able to sit in a Humvee brought by the 319th Security Forces Squadron and a U.S. Customs and Border Protection patrol car. (U.S. Air Force photo by Airman 1st Class Bonnie Grantham/Released)
Ryan Gilberg, U.S. Customs and Border Protection operations officer with the Grand Forks Sector Headquarters, teaches students from the Nathan and Twining Elementary and Middle School about basic CBP duties during National Police Week on Grand Forks Air Force Base, N.D., May 12, 2015. The students were able to sit in a U.S. Border Patrol vehicle and a Humvee brought by the 319th Security Forces Squadron during Cops for Tots day. (U.S. Air Force photo by Airman 1st Class Bonnie Grantham/Released)