cardboard_killer Posted November 8, 2021 Posted November 8, 2021 Launching of the Glenn L. Martin Company's prototype XPB2M-1 Mars at its launching on 8 November 1941. This is the prototype for the PBM Mariner patrol bomber. This prototype will be used for ground runs. Production will be delayed due to an engine fire and changing military requirements, and the first production model for the US Navy will not be delivered until June 1945 (US Navy).
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