Welcome to the wonderful world of antenna launchers...airguns, slingshots, tennis balls, whatever,
An unusual dual-band, multi-mode, mobile radio is supposed to be on display at Dayton. The rig supports DMR, D-Star, C4FM, and has a slot for an LTE SIM card. There's more about it here.
The article also links to a Ham-modified TYT HT which now has D-Star, P25, and System Fusion. More here.
According to this link, there is now a way to incorporate a vacuum tube on board a Pi. Appropriate for today's date? Well, the objectives seems sound.
Also see this link, from Germany. They've taken the matter a bit further into nostalgia.
This may pique your curiosity:
NOTE: The Grammar and Spelling Police have already been notified.