D2U

D2U stands for Design to Users (architecture firm; Milan, Italy)

C2BMC

C2BMC stands for Command and Control, Battle Management, and Communications

C2BM

C2BM stands for Command, Control, and Battle Management (US DoD)

C2BFMA

C2BFMA stands for Command & Control Battlefield Function Mission Area

C2B3

C2B3 stands for Colonel Claypool’s Bucket of Bernie Brains (band)

C2B2C

C2B2C stands for Consumer to Business to Consumer (e-commerce model)

C2CIF

C2CIF stands for Command and Control Controller Information File

ABUCM

ABUCM stands for American Board of Urgent Care Medicine (Orlando, FL)