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If the Higgs boson $H(125)$ is a composite due to new strong interactions athigh energy, it has spin-one partners, $\rho_H$ and $a_H$, analogous to the$\rho$ and $a_1$ mesons of QCD. These bosons are heavy, their mass determinedby the strong interaction scale. The strongly interacting particles lightenough for $\rho_H$ and $a_H$ to decay to are the longitudinal weak bosons $V_L= W_L,\, Z_L$ and the Higgs boson $H$. These decay signatures are consistentwith resonant diboson excesses recently reported near 2 TeV by ATLAS and CMS.We calculate $\sigma\times BR(\rho_H \to VV) =$ few fb and $\sigma\times BR(a_H\to VH) =$ 0.5-1 fb at $\sqrt{s} =$ 8 TeV, increasing by a factor of 5-7 at 13TeV. Other tests of the hypothesis of the strong-interaction nature of thediboson resonances are suggested.

Heavy Vector Partners of the Light Composite Higgs