If he can get another line he can find Boskone's secret headquarters.

A young Mandrake the Magiranger met when they found their secret headquarters.

The Shadow has found Mocquino's headquarters; and probably they're beneath that old forgotten mansion.

Hitler was only able to find Heinrici's proposed headquarters after much searching on the map.

Well, if we don't know any Hawaiians, how are we going to find their secret headquarters?

The trip back was uneventful and in the bright moonlight the boys found their headquarters easily.

I intended to find Quedden's headquarters, to gain whatever evidence lay there.

"Did they tell thee where would be the closest point to find General Golz's headquarters?"

The only way to reach The Red Blot is to find his headquarters secretly.

And I may have found their headquarters.