I applied through a recruiter. The process took 1 day. I interviewed at US Marine Corps (Oklahoma City, OK) in Feb 2019
Interview
Very thorough but not difficult. The recruiter will ask all of the questions and the answers are pretty obvious. There are clear guidelines that you have to meet to get through the process.
I applied in-person. The process took 4 weeks. I interviewed at US Marine Corps (Galveston, TX) in Mar 2013
Interview
GO to your loca recruiter and take a practices ASVAB, physical test, tell them what you want to do and when you can go to boot camp. There are a lot of jobs available according to what your test scores were