MIL-PRF-27201D, PERFORMANCE SPECIFICATION: PROPELLANT, HYDROGEN (07-FEB-2007)

MIL-PRF-27201D, PERFORMANCE SPECIFICATION: PROPELLANT, HYDROGEN (07-FEB-2007)., This specification is approved for use by all Departments and Agencies of the Department of Defense. This specification covers the requirements for two types of hydrogen. The types of hydrogen are as follows: Type I - Gaseous, AND Type II - Liquid.