Research Beam Physics Colliders Dielectric Laser Acceleration (DLA) Free Electron Lasers (FELs) High Brightness Electron Sources Machine Learning (ML) Modeling Plasma Wakefield Acceleration (PWFA) Population Inversion Hard X-ray Lasing Storage Rings Normal Conducting Radio Frequency (NCRF) Superconducting Radio Frequency (SRF) Ultrafast Electron Diffraction (UED)