Remark: Enter is not transport

Destructive Enter on $S$, with surviving factor $T$, is

Dropping $K$ gives ${\mathrm{Tr}}_S{\rho }_{ST}$, not ${\mathrm{id}}_S$. The transport construction uses no such operation on the transported unknown register. This preserves the distinctions of Landmark I, En04-A, and Hawk04-B CheungI,CheungEn04,CheungHawk04B. No teleportation resource is used.