Some words are Titles and they are in CAPITALS. You will find that there are other cultures that use CAPITALS only. It is strictly Human Kind that use lower case. All of the others use Capitals only. And you are not an English Teacher and these are words used in CODING and they are Titles to equipment that is for that purpose. With equipment that is military it is often that they are written in Capitals. FLY BY WIRE, HIGHLY ACCURATE NAVIGATION SYSTEM, AUTO-TORQUE CONTROL and AUTO-PILOT/AUTO-CRUISE, AUTO-TRANSITION, AUTO-HOVER, AUTO-LAND, AUTO-TAKE OFF and a SLING LOAD COMPENSATOR - These words are Titles to PATENTS and that is why it is written that way. Later when Human Kind visits other Worlds you may find that they use Capitals only but also use English.