It differs from a standard "no comment", in that a "no comment" means "we ''won't'' comment" about whether or not we have the information (or if it exists), a Glomar response implies that "we ''can't'' comment" on the information's existence. It is commonly used when classified information is involved, as sometimes the mere acknowledgement of its existence could reveal knowledge which is top secret (the unauthorized disclosure of which could cause "exceptionally grave damage" to national security). | It differs from a standard "no comment", in that a "no comment" means "we ''won't'' comment" about whether or not we have the information (or if it exists), a Glomar response implies that "we ''can't'' comment" on the information's existence. It is commonly used when classified information is involved, as sometimes the mere acknowledgement of its existence could reveal knowledge which is top secret (the unauthorized disclosure of which could cause "exceptionally grave damage" to national security). |