What does X-2 stand for?

Find what does X-2 stand for and its field of usage? X-2 is used in the following field.

All the possible full forms of X-2 are provided below with meaning and definition. User can also visit each expanded form to read detailed definition of X-2 and its example usage.

X-2 » preliminary name for Spartan Military - Government Advertisement: X-2 may be used in military operations which means preliminary name for Spartan. More full forms :
X-MIL X.500 X/Q X25 X2B X2C X2D XA XACT XAPIA XBT XC XCHG XCMD XCO XCONN XCOPY XCVR What is the full form of X-2 ? X-2 can be expanded as preliminary name for SpartanWhat does X-2 mean? Meaning of X-2 is preliminary name for Spartan