FEBRUARY 6 2003
Figure 4.17. Military Identification Sign Type B2.
4.18. Military Building Entry Sign Type B4.
4.18.1. General Description and Usage. Some buildings such as converted hangars, have more
than one primary entrance. Use Type B4 Building Entry signs to identify organizations that are
reached through the alternate entries of this type of building. These organizations are usually
squadron level units, squadron components, or their equivalents.