From Halopedia, the Halo wiki
The squad began training in 2524, and began service three months later. When a group of Covenant arrived for a peace treaty, they provided security for the hundreds of thousands of civilians on the planet. However, a fight broke out, and Osmo was killed by a Grunt.
On February 22nd, the squad was stationed in Utgard for a brief amount of time, where they were assigned the task of distributing rations to civilians. The next day, the platoons split to perform two operations. The first, led by Johnson, was a volunteer operation to secure the Tiara platform to ensure civilians evacuating in the cargo freighters escape safely. While they succeeded, seven recruits were killed in the fighting.
The fates of the survivors is unknown.
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