I’ve never seen one, nor were there any at the base I worked at.
They had several at Al udeid
https://www.afcent.af.mil/News/Features/Display/Article/223584/multi-point-refueling-extends-tanker-capabilities/
They had several at Al udeid
https://www.afcent.af.mil/News/Features/Display/Article/223584/multi-point-refueling-extends-tanker-capabilities/
As to the 46, defiantly a cluster