UNITED STATES
A11 helmet + A14 oxygen mask + RAF Mk8 goggles
APH-6A helmet + MS22001 butterfly oxygen mask
HGU-26/P helmet + MBU-5 oxygen mask
HGU-39/P helmet + Chemical oxygen mask
HGU-55 helmet + MBU-12 oxygen mask
HGU-55/G helmet + MBU-5 "quick disconnect" oxygen mask
HGU-55 ITT NVG mount with "banana plate"