CBDR

From Battlestar Wiki, the free, open content Battlestar Galactica encyclopedia and episode guide

CBDR is an acronym for Constant Bearing, Decreasing Range, and refers to an object on an intercept (or collision) course with a ship.

Raiders on attack approach to Galactica can be CBDR (Final Cut).

When Pegasus first appears on DRADIS, Lieutenant Gaeta indicates the DRADIS target as CBDR to Galactica (Pegasus).