Being able to audible or change things on the fly is one thing fighter pilots are pretty good at. Adaptability is a skill you should apply to fitness as well. If you don’t like one of the routines posted or don’t have the equipment, change it to what you like. I apply this often to cooking as well. Be creative, be adaptable.
Take a 20-30 minute walk, find a long flight of stairs and climb them twice
Run 1 mile
Run 3 miles
Weapons Instructor Course
Run 5 miles on a 7 minute per mile pace