![STAFF Sergeant (SSGT) Arlene Porter, USAF, Aircrew Life Support SPECIALIST, Nebraska Air National Guard (NEANG), tests the electrical components of the MBU-12/P Oxygen mask and air hoses to ensure they are working STAFF Sergeant (SSGT) Arlene Porter, USAF, Aircrew Life Support SPECIALIST, Nebraska Air National Guard (NEANG), tests the electrical components of the MBU-12/P Oxygen mask and air hoses to ensure they are working](https://cdn10.picryl.com/photo/2002/04/10/staff-sergeant-ssgt-arlene-porter-usaf-aircrew-life-support-specialist-nebraska-30f3a4-1024.jpg)
STAFF Sergeant (SSGT) Arlene Porter, USAF, Aircrew Life Support SPECIALIST, Nebraska Air National Guard (NEANG), tests the electrical components of the MBU-12/P Oxygen mask and air hoses to ensure they are working
![Abd Nav on Twitter: "The MBU-12, although superseded by the newer combat-edge MBU-20, is still quite popular in 🇹🇷. The pilots that I've asked seem to prefer it because they don't find Abd Nav on Twitter: "The MBU-12, although superseded by the newer combat-edge MBU-20, is still quite popular in 🇹🇷. The pilots that I've asked seem to prefer it because they don't find](https://pbs.twimg.com/media/Fd6dYm_WIAIDjXd.jpg)
Abd Nav on Twitter: "The MBU-12, although superseded by the newer combat-edge MBU-20, is still quite popular in 🇹🇷. The pilots that I've asked seem to prefer it because they don't find
![Original Model 358 Mask Assembly Crew Pressure Demand Oxygen with MBU 12 Mask – Haas Ausruestungen Original Model 358 Mask Assembly Crew Pressure Demand Oxygen with MBU 12 Mask – Haas Ausruestungen](https://www.haas-ausruestungen.de/wp-content/uploads/2021/10/358-Mask-Assembly-Crew-Pressure-Demand-Oxygen-002.jpg)