National Memorial Arboretum. (Extract from ROCA 22 Group Newsletter Summer 2015) 22 Group R.O.C.A. Standard’s formal blessing @ it’s first formal parade. 22 R.O.C.A. Banner’s 1’st. Parade 22 R.O.C.A. Banner’s 1’st. Parade! 22 R.O.C.A. Banner beside 22’s Tree @ the National Arboretum R.O.C.A. grove. 22 R.O.C.A. Banner paraded by David and admired by Jim!