RANSOM FLT 444 (DHC-7) RPRTD A NEAR COLLISION WITH USAF C-141 (GLEEK 41) AS FLT 444 WAS AT 5000' & GLEEK 41 WAS CLBG TO 7500' FM A COMBAT AIRCREW TRAINING (CAT) MNVR. FLT 444 WAS UNDER IFR CTL OF MCGUIRE AFB RAPCON; GLEEK 41 WAS VFR, RCVG RADAR ADZYS FM RAPCON. THE DHC-7 CREW RPRTD THE CAMOUFLAGED C-141 BLENDED WITH THE BACKGROUND. AS THEY MNVRD TO AVOID A COLLISION, THE F/A & 1 PAX WERE INJURED. THE C-141 CAT MNVR (FM RWY 36 AT MCGUIRE) SIMULATED VFR APCH & DEP FM A HOSTILEARPT ENVIRONMENT. TO STAY IN THE ALLOCATED AIRSPACE, GLEEK 41 SHOULD HAVE MADE A LEFT CLBG DEP. THE RAPCON CTLR LACKED FAMILIARITY WITH THE CAT MNVR, BUT APPROVED A CLB TO 7500'. HE NOTED FLT 444 WAS COMING FM THE WEST, SO GAVE A TRAFFIC ADZY & TOLD GLEEK 41 TO TURN RGT TO 090 DEG. BY THAT TIME, GLEEK 41 WAS WELL IN A LEFT TURN, CLBG ABT 3000'/MIN. ANOTHERTRAFFIC ADZY WAS GIVEN & GLEEK 41 WAS TOLD TO LVL AT 4500', BUT IT RCHD ABT 5000' & CONVERGED WITH FLT 444 BFR ASCENT WAS ARRESTED. THE RAPCON RADAR (GPN-12/PIDP) DIDN'T HAVE CONFLICT ALERT FUNCTION. THE C-141 CREW DIDN'T SEE THE DHC-7.