▁ 1 5 ▁March ▁ 1 9 4 0 ▁with ▁four ▁batter ies ▁of ▁H 3 9 s . ▁A ▁month ▁later , ▁the ▁Third ▁and ▁Four th ▁B atter ies ▁were ▁used ▁to ▁form ▁the ▁ 2 nd ▁batt alion ▁of ▁the ▁regiment . ▁The ▁ 2 nd ▁Battalion ▁was ▁still ▁forming ▁when ▁the ▁Battle ▁of ▁France ▁began ▁on ▁ 1 0 ▁May ▁ 1 9 4 0 , ▁but ▁the ▁ 1 st ▁Battalion ▁was ▁assigned ▁to ▁Army ▁Group ▁B ''' s ▁reserve ▁- ▁it ▁is ▁uncertain ▁if ▁it ▁saw ▁any ▁combat ▁during ▁the ▁campaign . ▁The ▁regiment ▁was ▁assigned ▁to ▁ 1 st ▁Pan zer ▁Group ▁in ▁Army ▁Group ▁South ▁for ▁Operation ▁Bar bar ossa . ▁It ▁was ▁transferred ▁to ▁ 1 1 th ▁Army ▁for ▁the ▁Sie ge ▁of ▁Se v ast opol ▁in ▁late ▁ 1 9 4 1 — 4 2 . ▁It ▁accompanied ▁that ▁army ▁as ▁part ▁of ▁its ▁sie ge ▁train ▁when ▁it ▁was ▁transferred ▁north ▁to ▁attack ▁L ening rad ▁in ▁the ▁late ▁summer ▁of ▁ 1 9 4 2 . ▁It ▁remained ▁under ▁the ▁command ▁of ▁Army ▁Group ▁North ▁until ▁it ▁re - equ ipped ▁with ▁smaller ▁guns ▁in ▁July ▁ 1 9 4 4 . ▁Nothing ▁is ▁known ▁of ▁any ▁units ▁that ▁might ▁have ▁been ▁equ ipped ▁with ▁the ▁how itz ers ▁after ▁July ▁ 1 9 4 4 . ▁Art illery ▁Regiment ▁ 8 1 4 ▁is ▁the ▁only ▁unit ▁known ▁to ▁have ▁been ▁equ ipped ▁with ▁the ▁H 3 9