There were 40 Fort Hood soldiers displaying the American flag during the national anthem Sunday. The number was supposed to be 45, but track officials said five soldiers scheduled to attend were among the 29 injured in Thursday's attack.
A moment of silence was observed for the fourth time during the weekend. The other observances came during the Nationwide and truck series races, and Sprint Cup qualifying.
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A U.S. Army logo with the words "God Bless Our Fort Hood Troops" was painted on the infield grass Friday.