What do these letters and numbers below represent? After you've figured that out, replace the three question marks!
LXE 329, CIE 266, PNS 260, KPE 141, HCQ 132, LZE 122, FVS 111, DIG 101, VTE 100, DBE ???
Hint
Look again and step back a little. This applies to one of the two.
Note: You'll find this online!
EDIT: Just to clarify; "(next to)" refers to "VTE" and not "...vs VTE"