This from Steve Redick:

Saturday (5/21/16) at 425 S Wabash, the CFD conducted a very extensive drill using simulated smoke and hose pressurized with air I was told. Took a few photos from outside. Finally got to see the high rise unit.
Chicago FD Battalion 1

Steve Redick photo

Chicago FD High-Rise Unit 6-4-16

Steve Redick photo

Chicago FD Engine 103

Steve Redick photo

Chicago FD Engine 116

Steve Redick photo

Chicago FD Battalion 14

Steve Redick photo

Chicago FD Ambulance 66

Steve Redick photo

firefighters in Chicago

Steve Redick photo

firemen carry high-rise hose packs

Steve Redick photo

Chicago FD Engine 1

Steve Redick photo

Chicago FD Truck 6

Steve Redick photo

firemen carry high-rise hose packs

Steve Redick photo

hose connected to fire engine

Steve Redick photo

high-rise standpipe

Steve Redick photo

firemen carry high-rise hose packs

Steve Redick photo

Chicago FD BTower 10

Steve Redick photo

high-rise hose packs

Steve Redick photo