Answer: oss

AnswerCrossword Clue
OSSWWII covert org.
OSS"Wild Bill" Donovan's WWII org.
OSSCIA's ancestor
OSS'40s gp. that trained at Congressional Country Club
OSSOrg. in the 1946 film "Cloak and Dagger"
OSSOrg. that infiltrated Germany in the '40s
OSSWWII hush-hush gp.
OSSWWII intelligence gp.
OSSWWII spy org.
OSSWWII espionage gp.
OSSCIA progenitor
OSSOrg. in old spy stories
OSSCovert WWII agcy.
OSSWilliam Donovan's WWII org.
OSS'40s spy org.
OSSWWII intelligence agency
OSSMoe Berg's org.
OSSPre-CIA spy org.
OSSHush-hush WWII gp.
OSSWW II spy gp.
OSSSpy org. created by F.D.R.
OSSSound system (abbr.)
OSSCIA precursor
OSSCIA's precursor
OSS"Wild Bill's" WW II org.
OSSCIA predecessor
OSSWWII org.
OSSAlan Ladd WWII film
OSSOrg. that catcher Moe Berg worked for
OSSSpy org. until 1945
OSSCIA's forerunner
OSSCIA forerunner
OSSLadd spy film
OSSForerunner of the CIA
OSSWWII intelligence org.
OSS1942 FDR creation
OSSCovert WWII org.
OSSOld intelligence gp.
OSSOld spy gp.
OSSCIA ancestor