Sgt. Garrett Dennard, mortar assistant primary, Infantry Officer Course, and Cpl. Justine Auclair, mortar instructor, The Basic School Warfighting Instructor Company, demonstrates the use of a new concept sight for the M224 60mm mortar at Range 15 on Nov. 5, 2013. The new sights are created by the TechSolutions branch of the Office of Naval Research, in Arlington, Va. - Sgt. Garrett Dennard, mortar assistant primary, Infantry Officer Course, and Cpl. Justine Auclair, mortar instructor, The Basic School Warfighting Instructor Company, demonstrates the use of a new concept sight for the M224 60mm mortar at Range 15 on Nov. 5, 2013. The new sights are created by the TechSolutions branch of the Office of Naval Research, in Arlington, Va.