To check one's progress along a course or azimuth, or to ensure that the object in view is indeed the destination, a new compass reading may be taken to the target if visible (here, the large mountain).

The APG 63(V)2 is compatible with current F 15C weapon loads and enables pilots to take full advantage of the AIM 120 AMRAAM's capabilities, simultaneously initiating guidance for multiple missiles to several targets widely spaced in azimuth, elevation, or range.