02/28/2009. Remarks by Johan Visschedijk: "The He 177 A-1/U2 Grosszerstörer (large destroyer) was the standard He 177 A-1 Greif (Griffon) fitted with a forward extended under-nose gondola carrying an 1.18 in (30 mm) Mk.101 cannon. Twelve aircraft were converted and used for Flak suppression, ground straffing and long-range anti-ship raids in support of submarines."