![U.S. Air Force Chief Master Sgt. Mark Harris, the senior - NARA & DVIDS Public Domain Archive Public Domain Search U.S. Air Force Chief Master Sgt. Mark Harris, the senior - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn2.picryl.com/photo/2019/10/20/us-air-force-chief-master-sgt-mark-harris-the-senior-2613f5-1024.jpg)
U.S. Air Force Chief Master Sgt. Mark Harris, the senior - NARA & DVIDS Public Domain Archive Public Domain Search
![Staff Sgt. Mark Mira, Thunderbird 8 dedicated crew chief, is one of two flying Thunderbirds crew chiefs and advances to show sites prior to the teams arrival along side with Maj. Michael Staff Sgt. Mark Mira, Thunderbird 8 dedicated crew chief, is one of two flying Thunderbirds crew chiefs and advances to show sites prior to the teams arrival along side with Maj. Michael](https://c8.alamy.com/comp/HEBXHE/staff-sgt-mark-mira-thunderbird-8-dedicated-crew-chief-is-one-of-two-HEBXHE.jpg)
Staff Sgt. Mark Mira, Thunderbird 8 dedicated crew chief, is one of two flying Thunderbirds crew chiefs and advances to show sites prior to the teams arrival along side with Maj. Michael
![Staff Sgt. Mark Trejo, the 3rd Infantry Division Sustainment Brigade provost marshal noncommissioned officer in charge on Fort Stewart, demonstrates proper building clearing techniques during the brigade's security platoon training on Oct. Staff Sgt. Mark Trejo, the 3rd Infantry Division Sustainment Brigade provost marshal noncommissioned officer in charge on Fort Stewart, demonstrates proper building clearing techniques during the brigade's security platoon training on Oct.](https://c8.alamy.com/comp/PW85BJ/staff-sgt-mark-trejo-the-3rd-infantry-division-sustainment-brigade-provost-marshal-noncommissioned-officer-in-charge-on-fort-stewart-demonstrates-proper-building-clearing-techniques-during-the-brigades-security-platoon-training-on-oct-2-soldiers-were-taught-detaining-vehicle-search-and-personnel-search-techniques-to-prepare-for-their-upcoming-deployment-PW85BJ.jpg)