CLARKSVILE, TN − Blanchfield Army Community Hospital Commander Col. Sam Preston and Command Sergeant Maj. Gary Petty addressed Clarksville’s Northeast High School students, faculty, staff, and parents during a school assembly event held in the gymnasium on Thursday to celebrate Veterans Day. Preston and Petty came to deliver a Veterans Day message, speak about service to others and to recognize the many veterans among the high school faculty and staff who serve or have served our nation.