Vintage US Military M9A1 Canvas Gas Mask Bag & M11 Gas Mask W/Filter

US Army M9A1 Canvas Gas Mask Carry Bag, specifically the M11 carrier bag variant designed for the M9A1 Field Protective Mask. This bag was used by the U.S. military starting around 1951, replacing the earlier M9 carrier bag. It remained in service through the Korean and Vietnam War periods and continued to be used for special-purpose applications until the early 1990s. The bag is made of green canvas and features a fold-over opening with three "Lift-The Dot" fasteners for quick access to the mask. It has a strap for carrying the mask, and there are interior pockets for accessories like a protective ointment kit and a waterproofing bag US Army M11 Gas Mask. It's a vintage piece of military gear, likely from the WWII era, and is often sought after by collectors. The M11 filter canister attached to this mask was used in several US Military gas masks to protect against chemical warfare agents. The M5-11-7 Assault Gas Mask, which used a modified M3 faceblank and the M11 filter, was designed as a lightweight combat mask and was notably carried by troops during the D-Day invasion. The mask shown in the image appears to be the