all the time, usually after dropping depth charges, and last night had a sub chaser do the same thing

. they'll also self-destruct, sometimes, if the collide you you when at periscope depth
__________________
Leiser und tödlicher edler Ritter der Tiefe
Corsair Vengeance M70; ASUS Crosshair V Formula-Z; FX 8350
; Asus 7870; Samsung SyncMaster 2243SWX; coolmax CUG950B 950w psu; 8GB Kingston HyperX DDR3; Corsair M4 SSD 128GB, WD 1TB; x18 DVR212D; 7SP1