skos:altLabel | - 1942
- ''Drumbeat''
- being attacked
- German submarines
- ''Operation Drumbeat''
- Operation Drumbeat
- Operation Paukenschlag
- Paukenschlag
- U-boat blitz
- \"second happy time\"
- a period of disastrous shipping losses
- a second successful period
- ''Unternehmen Paukenschlag'' (\"Operation Drumbeat\")
- operate along the East Coast
- operating off the east coast of the United States
- second happy time
- submarine attacks off the East Coast
- the German navy ravaged Allied shipping off the American Atlantic coast
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