One of the more common questions on police discussion forums is whether officers would extend professional courtesy to firefighters, dispatchers, criminal justice students, members of the military, medical personnel, friends, family, wives, sons, daughters, etc.

FORBES: Do Law Enforcement Officers Have "A Code" Or A Culture Where They Overlook The Transgressions Of Other Cops Or Retired Cops?

This will include 14, 000 volunteers, police, fire and ambulance staff, military personnel, coaches, support staff, friends and family of the athletes and schoolchildren from every London borough.

BBC: Team GB fans

Far-flung U.S. military personnel and family members have been instrumental in starting a host of teams, including the Reckless Bandidas Rollergirls in Puerto Rico and the ROKettes in the Republic of Korea.

WSJ: As the World Turns, So Do the Wheels of Roller Derby