German troops fighting in Latvia during World War II

[VO German language throughout] Map of German front in Russia / VS German tanks and soldiers advancing / close view of German officer standing in porthole of tank / German tank firing / shell exploding / German tanks advancing / VS German tanks fire, shells explode / POV from inside tank of tank ahead rolling forward / POV from inside tank of house burning / German tank near haystacks, fire in near distance / two German soldiers standing in portholes of tank / WS ships at sea / pan across fires on shoreline / view from beside tank of smoke rising in distance / soldiers firing artillery piece, tilt up to plane falling through sky trailing smoke / soldiers preparing to fire artillery piece / VS soldiers firing artillery piece / shell exploding / soldiers firing artillery piece / shell exploding / CU soldier looking through periscope / shot from ground level of tank moving towards camera / soldier lying on ground holding weapon / shot from ground level of tank advancing towards camera / German soldier creeping through tall grass / shell explodes / soldier with rifle watching / two soldiers lying on ground looking at smoke rising in distance / soldiers firing machine gun / soldiers loading gun / VS soldier running across field towards camera carrying something on his back / soldiers loading gun / soldiers firing artillery piece / soldier looking through range finder aiming artillery piece / soldier looking through binoculars as artillery piece next to him fires / two soldiers carrying ammunition case / soldier fires artillery / artillery piece fires / shell explodes / Note: exact month/day not known