MARINE CORPS BASE CAMP PENDLETON, Calif. – Petty Officer 2nd Class Mark Skaggs, an aeromedical safety corpsman with Marine Aircraft Group 39 and a Pensacola, Fla. native, demonstrates proper compression technique for CPR during an Improvised Sudden Attack First Emergency Response (IMSAFER) course aboard Marine Corps Base Camp Pendleton, Calif., Dec. 14. Skaggs also taught students how to use an automated external defibrillator properly during the IMSAFER course. - MARINE CORPS BASE CAMP PENDLETON, Calif. – Petty Officer 2nd Class Mark Skaggs, an aeromedical safety corpsman with Marine Aircraft Group 39 and a Pensacola, Fla. native, demonstrates proper compression technique for CPR during an Improvised Sudden Attack First Emergency Response (IMSAFER) course aboard Marine Corps Base Camp Pendleton, Calif., Dec. 14. Skaggs also taught students how to use an automated external defibrillator properly during the IMSAFER course.