Israeli Navy I believe.
CW:
AR AR VVV DE 4XZ 4XZ <BT>
<BT> V UV DE 4XZ 4XZ <BT> <BT> TR AR NW M TTC 1 NR 221 <BT> <BT> NR 221 SD U THTSH 3000 T* XB5N MER ST1 <BT><BT>
XNXNX WENQM GCYDQ DDZJ D XPMUR NALWJ JLWGE AFQSM ISNTTBE XHA SM PXTUXET OGJYE ZJRXS WENQM <BT><BT> NR 221
SD V TH6H *00*TES0 X B5N GR 41 <BT><BT> XNXNX WENQM GCYDT A DDTSJL XIUR NALWJ J*GA AFQSM ISNMX XHWSM PXXTTT
OTI3YE ZJR VS WENQM <BT><BT> NAE 221 SD V TH6H *0*050 XB5N FR 41 <BT><BT> AR AR VVIT DE 4XZ 4XZ <BT> <BT> VVV DE
4XZ 4XZ