WHAT DOES RSO SYRINGE MEAN?

moojersey reported: Hey I have been studying some threads and I see that There are many of you around which are selection safety officers at Elk Neck. I'm enthusiastic about volunteering down there and turning out to be an RSO. I reside in North East about 5-10 mins from the assortment. I am new to capturing and also have shot at elk neck about 50