Petty Officer 2nd Class Mark Skaggs teaches Marines how to properly lift and carry casualties during a simulated causality evacuation scenario at Marine Corps Base Camp Pendleton, California, Jan. 27 2016. This training was part of the newly formed combat operation medical emergency transport training. COMETT exposes the aircrew to medical emergencies and procedures they may encounter in combat and non-combat environments. Skaggs, a Pensacola native, is an aeromedical safety corpsman with Marine Aircraft Group 29. - Petty Officer 2nd Class Mark Skaggs teaches Marines how to properly lift and carry casualties during a simulated causality evacuation scenario at Marine Corps Base Camp Pendleton, California, Jan. 27 2016. This training was part of the newly formed combat operation medical emergency transport training. COMETT exposes the aircrew to medical emergencies and procedures they may encounter in combat and non-combat environments. Skaggs, a Pensacola native, is an aeromedical safety corpsman with Marine Aircraft Group 29.