Army Reserves 1975 to 2000 for 24 years. When I started I thought I'd do my minimum time and get out. I had a variety of jobs from Plt Ldr, Company Commander and lots of staff puke assignments. Tried to get back in after 9/11 and was politely told no.
LEO from 76 through March 94. Almost 18 full years but a college kid in his daddy's Mustang ended that career. Most of me works fine but I had to retire as I wasn't capable of street duty any more.
Now I am part of the Patriot Guard to support when and where I can.