This grant supports research to study nucleon interactions and nuclear dynamics with neutrons. Nuclear reactions and scattering at neutron energies from 60 to 260 MeV will be carried out at Crocker Nuclear Laboratory and Los Alamos National Laboratory for a range of nuclear targets. In addition, studies of relativistic nuclear collisions centered at the Heavy Ion Superconducting Spectrometer at Lawrence Berkeley Laboratory will be augmented with a new time projection chamber, which is now under construction.