CUBE21 Flight is believed to be 4 480FS F-16Cs returning to Spangdahlem AB from Red Flag 15-3 that were unable to join the CUBE flight of last week.
They were refueled by BOBBY72 (58-0047, KC-135) and BOBBY71 (86-0031, KC-10A, Air Spare) over Nova Scotia at approximately 1030Z.
Frequencies that were in use were as follows:
242.300 CUBE A-A
282.000 Boom
243.000 CUBE A-A
242.300 CUBE A-A
138.875 Tanker A-A
(SATCOM Channel 41)
Their flight plan was indicating an approximate sunset arrival into Spang @ 1906Z otherwise they may divert into Lakenheath.
Tail numbers provided were as follows:
CUBE21=92-918
CUBE22=91-403
CUBE23=91-412
CUBE24=91-361
EDIT: They are with Gander center on HF 8831 at 1250Z
Via PlanePlotter and comms.