Mike O'Callaghan Military Hospital

Mike O'Callaghan Military Medical Center is the primary military hospital at Nellis Air Force Base in Las Vegas, Nevada, operated by the 99th Medical Group and serving active duty personnel and their families through TRICARE. The center sponsored the CHECK Trial — a multicenter, randomized, double-blind study comparing sub-dissociative ketamine against prochlorperazine for emergency department headache treatment, published in Annals of Emergency Medicine in 2018.