ORGANIZATION FOR OPERATION CASTLE
St
CHIEF OF STAFF
US. ARMY
(EXEC AGENT)
JTF SEVEN
COMMANDER
JOINT TASK
FORCE SEVEN
SCIENTIFIC
DIRECTOR
TASK GROUP 72
(ARMY)
TASK GROUP 73
(NAVY)
TASK GROUP 74
(AIR FORCE}
Organization for Operation CASTLE
TASK GROUP 7.5
(AEC BASE
FACILITIES)