I was able to finally catch Engine 413 B which was unable to be moved during my Fall 2016 trip......Will be replaced in 2018 and I am hearing the new color scheme for Dunn Loring will be dark blue over red, which they have a new utility truck already marked as such .
Fairfax County
Dunn Loring Engine 413B
2003 American LaFrance Eagle 1500 / 750 / 20
Trey White