Service men and women and members of the public have been placing some of the 9000 crosses that will form this field of remembrance at Saltwell Park.
Some of those helping this morning were soldiers based at Catterick Garrison in North Yorkshire.
Their involvement was made even more poignant after one of their comrades, Corporal Channing Day, was killed whilst on active duty in Afghanistan earlier this week.
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The band played a hit-packed set including Everyday I Love You Less and Less, Ruby and I Predict a Riot.
The police force say events taking place over the bank holiday weekend will still see an increased police presence.
Stockton Stages takes place from Thursday, July 20 to Saturday, July 22 in Stockton town centre.