F-16's of the 121FS DC ANG arrived at Lask after flying from CONUS with tankers ROMA21 and ROMA22.
They are part of Aviation Rotation 19.4 which also includes tankers from 108ARS Illinois ANG at Powidz, both deployments are supported by the 52FW from Spangdahlem.
From pictures published by the USAF the following F-16's were noted: 86-0350/DC, 86-0289/DC, 87-0310/DC, 87-0320/DC, 86-0362/DC.
Should be for a 2 week period.