What does X-3 stand for?

Find what does X-3 stand for and its field of usage? X-3 is used in the following field.

All the possible full forms of X-3 are provided below with meaning and definition. User can also visit each expanded form to read detailed definition of X-3 and its example usage.

X-3 » preliminary name for high-performance Spartan Military - Government Advertisement: X-3 stands for preliminary name for high-performance Spartan in military. More full forms :
X.500 X/Q X25 X2B X2C X2D XA XACT XAPIA XBT XC XCHG XCMD XCO XCONN XCOPY XCVR XDC What is the full form of X-3 ? X-3 can be expanded as preliminary name for high-performance SpartanWhat does X-3 mean? Meaning of X-3 is preliminary name for high-performance Spartan