Help to identify a unit on a KM Soldbuch

[christof]

Please can you help me to identify this unit stamp on this Kriegsmarine Soldbuch.

it is ? ? ? Wangerooge
Verwaltung

[christof]

An other wiew of the same stamp

? ? ? Wangerooge
Verwaltung





Look the hand written unit is 2. leichte Fla. Wangerooge (for 2. leichte Flak-Ausb. Abt. Wangerooge. But what are these 3 letters on the stamp before Wangerooge Verwaltung ?

[polux]

Hello Christof,

K.i.A. = Kommandant im Abschnitt

Polux

[christof]

Thanks a lot my friend !!!
Regards
C.