The phrase 'clandestine operation' is a correct and usable phrase in written English.
You may use it when referring to a covert or secretive mission or plan. For example, "The government launched a clandestine operation to find the missing person."
Moreover, police officials say they are investigating whether Algerian operatives also set up a clandestine operation here to forge passports and credit cards to finance terrorist operations.
But this was hardly some clandestine operation.
GORI, Georgia — In the predawn darkness on Friday, Georgian authorities carried out a clandestine operation in Gori's central square.
The clandestine operation with its secret codenames for patients also ran the risk of mixing up blood samples.
Salem revealed that his expulsion from Kurdistan was a ploy he had returned to Mosul to conduct a clandestine operation.
The people who participated in this clandestine operation knew that they would lose privileges if they refused to take part.
The White House has intensified the Central Intelligence Agency's drone missile campaign in Pakistan, approved raids against Qaeda operatives in Somalia and launched clandestine operations from Kenya.
Yatom, as former Mossad head, knows much about the need of clandestine operations and the sophisticated or blunt ways intelligence agencies operate.
Operatives were said to be trained in terrain navigation, conducting clandestine operations and weapons handling in Syria and Gaza, with the latter entered by the terror recruits via smuggling tunnels.
Clandestine operations against Iran are not new.
This & other clandestine operations were run out of the National Security Council.
