AN SPN CAME CLOSE TO A MIL FORMATION FLT IN THE ISABELLA MOA.

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GLIDER FLT TRAINING VFR IN ISABELLA MOA. 'GLIDER' CHKED IN WITH POS/ALT RPT TO ATC (JOSHUA APCH); NO XPONDER; MONITORING FREQ 133.65. CTLR #1 ACKNOWLEDGES HAS CONVERSATION WITH GLIDER. 'G' AND C1 BOTH UNDERSTAND VFR WITH NO FLT FOLLOWING. G WORKS WITHIN 1/2 MI OF RPTED OPS. C1 CHANGES WORK STATION; 'G' NOTICES CTLR #2 VOICE. C 2 IS BUSY WORKING MIL AND VFR CIVIL FLT FOLLOWING TFC. G DOES NOT RE-ESTABLISH POS RPT WITH C2; DUE TO PERCEIVED WORKLOAD. G FLIES STRAIGHT AND LEVEL; S HDG; G COCKPIT FILLS WITH JET ENG NOISE BY OVERTAKING ACFT. STUDENT IN FRONT SEAT FINDS TFC FIRST; B-2 AND F-16 CHASE ARE AT LEVEL OR SLIGHTLY LOWER POS; IN 45-60 DEG R BANK TURN WITHIN 1000 FT LATERAL. GLIDER BANKS L; MOVES E AND RPTS NEAR MISS TO JOSHUA. C2 ASKS GLIDER POS/ALT; ASKS 'G' CURRENT B-2 POS/ALT. C2 RESPONDS; THOUGHT GLIDER AT MOJAVE ARPT AND B-2 UNDER CTL OF SPORT RADAR (132.75?). G ASKS C2 IF SPORT OFTEN WORKS ACFT OUTSIDE OF R-2515; GETS ANSWER AS AFFIRMATIVE. THIS SIT COULD BE REPEATED WITH ANY CATEGORY CIVIL REGISTRY ACFT. THIS SIT COULD BE REPEATED WITH ANY CATEGORY CIVIL REGISTRY ACFT. 2 AGENCIES ARE SHARING RESPONSIBILITY FOR OVERLAPPING AIRSPACE. THESE 2 ACFT GOT CLOSE BECAUSE EACH ATC 'WORKED' OVERLAPPING FLT PATHS. 1) B-2 ON SPORT CTL IN CIVIL/MIL JOINT USE AIRSPACE. G REQUIRED TO BE ON JOSHUA FREQ; IF ON ANY RADIO AT ALL. 2) G IN FLT MADE WHICH PRESENTS SMALL VISUAL CROSS SECTION. 3) B-2 AND F-16 TOOK NO GND OBSERVABLE ACTION TO TAKE WIDER PATH -- FLT TEST ENVIRONMENT LEAVES SMALL PERCENT PLT ATTN FOR VFR. 4) G DID NOT REAFFIRM POS WHEN C1 SWITCHED TO C2. PERHAPS C2 DID NOT FEEL BIG RESPONSIBILITY TO NON-MODE C GLIDER AND SPORTS B-2. CURES: 1) NO OVERLAP OF ATC RESPONSIBILITIES. 1 GUY OWNS THE SPACE. 2) GLIDER CFI ATTENDS/PRESENTS CIVIL SIDE OF PICTURE TO MIL PLTS ON VFR OPS. 3) ATC COULD MAKE BROAD BAND (UHF; VHF; MIL DISCREET) ADVISORIES IF GLIDERS CHK-IN AS VFR TFC WITH NO MODE C.