Miller, M. A., Hughes, J. W., Eich, T., Tynan, G. R., Body, T. A. J., Silvagni, D., et al. (2024). The role of the separatrix in establishing boundaries for operational regimes on Alcator C-Mod and prospects for projection to SPARC. Talk presented at 66th Annual Meeting of the APS Division of Plasma Physics. Atlanta, GA. 2024-10-07 - 2024-10-11.