The Air Force hopes to replace the C-32 and C-40 fleet with one platform, and had targeted fielding the first military variant of the Boeing 737 MAX in the short term---though Congress didn't support it this time around.
aviationweek.com/defense/airc...
aviationweek.com
USAF Eyes Executive Fleet Updates, First Military MAX Stalls | Aviation Week Network
The service’s long-term goal is to replace both the C-32A and C-40B/C executive transports with a single platform.
