This is supposed to be a general English language forum; not a place where jargon or acronyms from any particular area are used so heavily.
ARTEP = Army Training And Evaluation Program, I.e. tactical evaluation. During my 18 months as a platoon leader, I had both Chaparral platoons and one Vulcan platoon. Chaparral was a short range air defense missile system, while the Vulcans were gun systems.
ROAD = Retired on Active Duty