This line has got me thinking. Sorry.

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What if...
What if every Reserve/Militia unit had an individual tasked to manage walk-ins and referals from recruiting centres.
Welcome the individual.
Put them into costume (this is role play, not soldiering)
Tour the facility.
Audit a class.
Get a briefing on one of the many unclas subjects,
Get a presentation on structure, history and on current ops that would be updated weekly.
Take them to the mess.
Invite them back next week.