Lying at the heart of the standard model (SM), electroweak symmetry predicts interactions among the massive gauge bosons. These interactions can result in the production of multiple massive bosons in LHC collisions, providing stress tests of the SM and sensitive probes for new physics beyond the SM. This seminar will present a new CMS measurement of the production of the trio of massive gauge bosons (WWZ), discuss synergies with multi-heavy particle processes in the Higgs and top-quark sectors, and explore how we can leverage these measurements in comprehensive multi-sector searches aimed towards maximizing the discovery potential at the LHC.