Original 1961 U.S. Navy MK IV MOD 1 High Altitude Full Pressure Flight Helmet with Original Carrying Case- NASA Mercury Program Original Machine Gun Part Sets Unfortunately the striker on the

Unfortunately the striker on the end of the type bar did have the runes removed

including at least 7

WWI AEF US Army/USMC M1909 Leather Belt Holster for the Colt or S&W M1917

This definitely would have been helpful in rougher seas

The kit itself appears to be complete though there may be a few items missing

Original 1961 U.S. Navy MK IV MOD 1 High Altitude Full Pressure Flight Helmet with Original Carrying Case- NASA Mercury Program Original Machine Gun Part Sets Unfortunately the striker on theOriginal Item: Only One Available. A nearly identical example of this MKIV High Altitude helmet can be found in the Smithsonian Air & Space Museum at this link. This is an excellent example of a very rare U. S. Navy Mk IV, Mod 1, Type 1 Helmet. Undoubtedly one of the absolute hardest examples of U. S. Military Flight Headgear to locate, with very few having been made, and even less surviving to today. These helmets seldom come to market, with most