Original U.S. Vietnam War Era HGU-26/P “Phantom-1” Flight Helmet with MS-22001 Oxygen Mask and Helmet Bag Price_$220 - $990 with a HERBERT JOHNSON LONDON

with a HERBERT JOHNSON LONDON manufacturer's stamp in the dome

I trust you will feel thankful to God for having preserved my life

leaving a greenish residue

which is what the number 564 corresponds to

piloted by Chuck Yeager

Original U.S. Vietnam War Era HGU-26/P “Phantom-1” Flight Helmet with MS-22001 Oxygen Mask and Helmet Bag Price_$220 - $990 with a HERBERT JOHNSON LONDONOriginal Item: One of a kind. The HGU 26 P request for nomenclature is dated Jan 14, 1970 and is based on the HGU 22 P Helmet Shell. There is no military specification detailing exactly what goes into an HGU 26 P but until the appearance of the single visor HGU 26 P both USAF and manufacturer information was consistent in describing the HGU 26 P as an HGU 22 P helmet shell with a PRU 36 P side actuated double visor. Sierra Corp and Gentex Inc sold