I am using a NAIP service to display aerial imagery. It appears as if only one tile is ever being pulled. I have played with mosaic properties of the service with no success. The tile changes every time I pan the screen, and typically covers one quarter of the screen.
Here is the service I am trying to use:
My co-worker does not encounter this working on Arc GIS Pro (go figure). I am using ArcMap 10.5.1.