You might check around. I'm sure if you look hard enough you will find somewhere that will teach you fieldcraft. You might also want to consider some tracking classes as correlates nicely with fieldcraft skills.
"I served as an instructor at the 1st Mar Div Scout Sniper Basic Course at Camp Pendleton, CA for 3 years as the Chief Marksmanship Instructor. I also served as an instructor at I-MEF Special Operations Training Group, Special Missions Branch Urban Sniper and Urban R&S Courses.
I have over 60 weeks of formal training in the areas of sniping and marksmanship and have also been contracted by High Desert Special Operations Training Group to augment their instructor staff on an as needed basis."