MIL X NON ADHERENCE TO ATC CLRNC TAXIED ONTO ACTIVE RWY IN FRONT OF SMA Y WHO WAS CLRED FOR TKOF. PLTDEV. ARPT MARKINGS AND SIGNS CONFUSING AT TAXIWAY B; C; D; AND RWYS 30; 35.

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WRITER WAS NOT PRESENT. INFO OBTAINED FROM CTLR STATEMENTS. MIL X REQUESTED PROGRESSIVE TAXI INSTRUCTIONS FOR TKOF. THE ASSIGNED RWY WAS 26. THE GND CTLR PROVIDED SEVERAL SPECIFIC INSTRUCTIONS TO MIL X; WHICH INCLUDE A RESTRICTION TO 'HOLD SHORT OF RWY 35 AT DELTA.' WHEN THE GND CTLR SAW MIL X AT THE INTXN OF RWY 35 AND DELTA TAXIWAY; SHE THEN CLRED MIL X TO CROSS RWY 35 (SHE HAD EARLIER TOLD MIL X TO PLAN USING 'DELTA' ALL THE WAY TO THE APCH END OF RWY 30; AT WHICH TIME SHE WOULD HAVE INSTRUCTED HIM WITH FURTHER DIRECTIONS TO RWY 26). THE GND CTLR MOMENTARILY LOOKED AWAY FROM MIL X; THEN RETURNED HER ATTN TO MIL X AND SAW THAT HE HAD ENTERED RWY 30. THE LCL CTLR; IN THE MEANTIME; HAD CLRED SMA Y FOR TKOF ON RWY 30. THE GND CTLR ALERTED LCL CTL (WHO GOT SMA Y TO STOP HIS TKOF) AND ALSO TOLD MIL X TO MAKE A 180 OFF RWY 30 (WHICH THE PLT WAS TOTALLY UNAWARE OF). THE PLT OF MIL X WAS CITED FOR A PLTDEV. AS THE LCL SAFETY OFFICER; I BELIEVE THE REAL CULPRIT IS LACK OF VISUAL CUES AT THE POINT(S) OF INCURSION; SUFFICIENT TO ALLOW PLTS TO DISCRIMINATE BTWN TAXIWAYS AND RWYS. SEE MY RPT FILED 2 WKS AGO. SAME RECOMMENDATION.