KLRK1 and infection: The NKG2D CAR memory T cells showed in this study were manufactured after 10–13 days of ex vivo processing, described in detail below, including activation with TransAct and IL-2, transduction with an NKG2D-CD8TM-4-1BB-CD3ζ lentiviral vector at multiplicity of infection (MOI) = 2, and expansion in CliniMACS Prodigy device.