 Upon completion of his training, Petry was assigned to 2nd Battalion, 75th Ranger Regiment based at Joint Base Lewis-McChord, in Washington state. Petry had a total of eight deployments: two supporting Operation Iraqi Freedom and six supporting Operation Enduring Freedom. In all, Petry spent a total of 28 months deployed. During his time in Iraq and Afghanistan, Petry served in a number of positions, including as a grenadier, squad automatic rifleman, fireteam leader, squad leader, operations sergeant, and a weapons squad leader.
