APP-6A/MIL-STD-2525A-B symbol for Ground Track - Installation - Military Matériel Facility - Engineering Equipment Production - Bridge, Friendly affiliation. Codes: 1.X.3.3.5.6.1 (2525A, 2525B), WAR.GRDTRK.INS.MMF.ENGEP.BRG (2525B Ch1), SFGPIMNB--H**** (2525A, 2525B)
APP-6A, MIL-STD-2525B Change 1
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