Tripod mast

Tripod mast, as here on USS Texas, were strong enough to carry heavy equipment such as searchlights, radar and the spotting top high up

The tripod mast is a type of mast used on warships from the Edwardian era onwards,[dubiousdiscuss] replacing the pole mast. Tripod masts are distinctive using two large (usually cylindrical) support columns spread out at angles to brace another (usually vertical) column.