ow ar ▁plans , ▁including ▁fle as , ▁t icks , ▁an ts , ▁l ice ▁and ▁mos qu ito es ▁– ▁especially ▁mos qu ito es ▁that ▁carried ▁the ▁yellow ▁fe ver ▁virus . ▁They ▁also ▁tested ▁these ▁in ▁the ▁United ▁States . ▁Lock wood ▁thinks ▁that ▁it ▁is ▁very ▁likely ▁that ▁the ▁U . S . ▁did ▁use ▁insect s ▁dropped ▁from ▁aircraft ▁during ▁the ▁Korean ▁War ▁to ▁spread ▁dise ases , ▁and ▁that ▁the ▁Chinese ▁and ▁North ▁Kore ans ▁were ▁not ▁simply ▁engaged ▁in ▁a ▁propag anda ▁campaign ▁when ▁they ▁made ▁these ▁alleg ations , ▁since ▁the ▁J oint ▁Chief s ▁of ▁Staff ▁and ▁Secretary ▁of ▁Def ense ▁had ▁approved ▁their ▁use ▁in ▁the ▁fall ▁of ▁ 1 9 5 0 ▁at ▁the ▁" ear liest ▁pract ic able ▁time ". ▁ ▁At ▁that ▁time , ▁it ▁had ▁five ▁bi ow ar fare ▁agents ▁ready ▁for ▁use , ▁three ▁of ▁which ▁were ▁spread ▁by ▁insect ▁vectors . ▁ ▁Fort ▁Det rick ▁( 1 9 5 6 – present ) ▁ ▁Cold ▁War ▁years ▁( 1 9 5 6 – 8 9 ) ▁Camp ▁Det rick ▁was ▁designated ▁a ▁permanent ▁installation ▁for ▁pe ac etime ▁bi ological ▁research ▁and ▁development ▁shortly ▁after ▁World ▁War ▁II , ▁but ▁that ▁status ▁was ▁not ▁confirmed ▁until ▁ 1 9 5 6 , ▁when ▁the ▁post ▁became ▁Fort ▁Det rick . ▁Its ▁mand ate ▁was ▁to ▁continue ▁its ▁previous ▁mission ▁of ▁bi omed ical ▁research ▁and ▁its ▁role ▁as ▁the ▁world ' s ▁leading ▁research