The Twentynine Palms Chamber of Commerce has selected two women as the Grand Marshals for this year’s Pioneer Days. Dona Schutz Tower, a long-time organizer of the event, has been chosen as the Grand Marshal, and retired Marine Lieutenant Colonel Elaine Bowden has been chosen as the Military Grand Marshal. The Pioneer Days Grand Marshal is an honor bestowed on those who dedicate themselves to the betterment of the civilian and military communities in Twentynine Palms.