Thach weave

== English == === Etymology === From Thach +‎ weave. Named after WWII U.S. naval aviator John S. Thach, who invented the manoeuvre. === Noun === Thach weave (plural Thach weaves) (historical, military, aviation) A tactic in aerial combat of the World War II era, where two aircraft on patrol fly a parallel course, and if attacked, overlap their flight paths repeatedly, enabling each to protect the other.