Desert Blood Services will conduct a community blood drive tomorrow, Tuesday, September 23, at the Little Church of the Desert in Twentynine Palms from 2 to 6:30 p.m. In addition, Desert Blood Services now offers donors free cholesterol screening with every blood donation. Those aged 18 to 44 years may register for Be The Match bone marrow screening free of charge. To make an appointment to donate blood, call 877-827-4376.