AS68533 Verville-Sperry M-1 Messenger NASM - Steven F. Udvar-Hazy Center Washington - NASM Steven F Udvar-Hazy Center, USA - Virginia Brian Johnstone - 26/09/2023
AS68533 Verville-Sperry M-1 Messenger National Air and Space Museum (USA) Washington - NASM Steven F Udvar-Hazy Center, USA - Virginia Chris England - 01/10/2007
