Structure of finite dimensional linear bundles morphisms

Let $p_E : E \to M$ be a fibre bundle over the $m$-dimensional manifold $M$ whose typical fibre is the vector space $\R^e$ and let $p_F : F \to N$ be a fibre bundle over the $n$-dimensional manifold $N$ whose typical fibre is the vector space $\R^f$. We are interested in the structure of the set $\Morph(E,F)$ of smooth linear bundle morphisms $\Phi : E \to F$ above smooth maps $\varphi : M \to N$.
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