ZAB CTLR DESCRIBED INCIDENT DURING REFUELING PROCS AT FL230 WHEN LTSS WAS NOTED.

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ACFT X WAS A FLT OF 2 F117'S AND HAD BEEN CLRED TO REFUEL IN AR644. ACFT X HAD PROGRESSED PAST THE IP INTO THE RTE. AR644 IS AN ANCHOR TRACK. ACFT Y WAS A SINGLE F117 THAT WAS CLRED TO REFUEL AFTER ACFT X AND HAD PROGRESSED PAST THE IP INTO THE TRACK. ACFT X THEN EXITED THE TRACK TO THE E WITHOUT A CLRNC AND DID A R TURN TOWARD THE IP. ACFT X WAS APCHING THE IP DUE W AT FL230. ACFT Y EXITED THE TRACK TO THE S WITHOUT A CLRNC; DID A TURN W AND PROCEEDED TO THE IP DUE E AT FL230. NEITHER ACFT CALLED FOR A CLRNC. WHEN I NOTICED THE SITUATION I ATTEMPTED TO CALL BOTH ACFT WITHOUT SUCCESS. I ATTEMPTED TO DSND ACFT Y ON GUARD WITH NO SUCCESS. THE 2 FLTS WERE NOW HEAD-ON LESS THAN 5 MI AT FL230. ACFT X CALLED AND IT WAS DETERMINED THAT ACFT X AND I WERE STILL TOGETHER. ACFT X RPTED THEY COULD TAKE MARSA WITH ACFT Y. AT THIS TIME; PRIOR TO MARSA THE TARGETS HAD MERGED. JUST PRIOR TO ACFT X CALLING; I WAS ABLE TO INSTRUCT ACFT Y TO DSND TO FL220. I INSTRUCTED THE FLT OF 3 TO HOLD AT THE IP. SUBSEQUENTLY; BOTH FLTS LEFT THE IP INTO AR644 WITHOUT A CLRNC AND WITHOUT 'MANSO' WITH THE TANKER.