Simply put, the previous administration did not budget for maintenance.
Some of the basic items to be cut is maintenance and infrastructure upgrades, this has always been true of any administration. When I did work for the U.S. Army, our contracting group were upgrading telecommunications systems that had been in place for 30-40 years!! The military was just getting their base infrastructure rebuilt when the Clinton Administration took over. Whenever the military took one of it's jaunts to Somalia or the like to provide military aid, the money was taken out of long term maintenance and upgrades.
It's all smoke and mirrors.... they rob Peter to pay Paul.
Terry