Nederlandse mariniers en oud-mariniers hebben zaterdag 24 oktober in Den Helder het wereldrecord speedmars (wrs) verpulverd. Zij doken bijna 18 minuten onder het oude record, dat sinds 2016 op naam…
WJB lid Michiel van der Pols ontwikkelde de Doorbraakmethode. Twaalf jaar lang was hij leidinggevende bij het Korps Mariniers, waarna hij als stadsmarinier in Rotterdam nog eens twaalf jaar lang…
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