Two separate motorcycle accidents took the lives of two young Marines in an 11-day period causing a concern over motorcycle safety. Private First Class Franklin P. Stairs, a 19-year-old Marine assigned to 3rd Battalion, 11th Marine Regiment was fatally injured in a motorcycle accident on May 31. Eleven days later, Lance Cpl. Anthony Martinez, 21, of Fullerton, Calif., a Marine assigned to 2nd Battalion, 7th Marine Regiment was killed in a crash while riding his motorcycle. - Two separate motorcycle accidents took the lives of two young Marines in an 11-day period causing a concern over motorcycle safety. Private First Class Franklin P. Stairs, a 19-year-old Marine assigned to 3rd Battalion, 11th Marine Regiment was fatally injured in a motorcycle accident on May 31. Eleven days later, Lance Cpl. Anthony Martinez, 21, of Fullerton, Calif., a Marine assigned to 2nd Battalion, 7th Marine Regiment was killed in a crash while riding his motorcycle.