N52056 Douglas B-18B Bolo Castle Air Museum Merced - Castle AFB (MER / KMER), USA - California Graham Hutchinson - 05/10/2000
N52056 Douglas B-18B Bolo Castle Air Museum Merced - Castle AFB (MER / KMER), USA - California Erik Frikke - 24/02/2012
N52056 Douglas B-18B Bolo Preserved Merced - Castle AFB (MER / KMER), USA - California Derek Heley - 12/06/1989
