Marine Corps Base Quantico School Liaison Chris Lamb hands out family member assignments to teachers at Kyle Wilson Elementary School in Prince William County Aug. 24. The teachers were participating in a "PCS Challenge" facilitated by the MCBQ and Fort Belvoir school liaisons in order to better understand what military children experience moving from duty station to duty station. Each group of teachers role-played a military family being assigned to a new post. - Marine Corps Base Quantico School Liaison Chris Lamb hands out family member assignments to teachers at Kyle Wilson Elementary School in Prince William County Aug. 24. The teachers were participating in a "PCS Challenge" facilitated by the MCBQ and Fort Belvoir school liaisons in order to better understand what military children experience moving from duty station to duty station. Each group of teachers role-played a military family being assigned to a new post.