A community that is thirty miles from yours has just reported a train derailment and has asked for mutual aid response. While en route you have been receiving limited information over you Mobile Data Terminal. The information advises you of the stenciling found on several of the railroad carsAAR 103 J 60 AL F 1, DOT 111 A 60 AL W 1and a flat trailer with several medium-sized boxes that are have been identified as Type A packaging. What do the first three letters on the two rail cars suggest?