((country data (({2))} | flaglink/core | variant = | size = | name = | altlink = men's national under-(({1))} field hockey team | altvar = field hockey | mw = men's | age = under-(({1))}
))
((fhu|age|nation|variant|size=optional|name=optional))
Produces a flag icon attached to a wikilinked men's national under-NN (e.g. under-18, under-21, etc.) field hockey team article.