From "The B-17 Flying Fortress Story" Roger A Freeman,
Delivered Cheyenne 27/4/43; Great Falls 6/5/43; Kearney 29/5/43; Dow Field 13/6/43; assigned 549BS/385BG Great Ashfield 14/6/43; MIA Rostock 11/4/44 w/Pangle; flak, crash land Kristianopel, Swed; crew interned. MACR 3822 Mission Belle.
http://hem.passagen.se/forcelanding/...iles/b17-1.htm