The National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility at the Woods Hole Oceanographic Institution operates two accelerator systems. Both systems are used exclusively for 14C AMS. The first system utilizes a 3 MV tandetron accelerator originally built by the US-AMS Corporation, with several recent upgrades. Most recently, this system was upgraded with a 134-sample gas-accepting, hybrid sputter Cs ion source (MC-SNICS ) made by National Electrostatics Corporation (NEC). The other system is based on a 500 kV NEC Pelletron accelerator and incorporates both a 134-sample conventional graphite sputter source and a unique, gas-accepting, microwave ion source. Status and operational experiences with both accelerator systems will be presented.