thunder run
n.— «The plan for the convoy had gone through a number of permutations. At first it was seen by planners as a show of strength, with preparations worthy of a major invasion, including tank support and air cover—a “thunder run,” as they called it, into the city.» —“The Marines Enter Falluja, With Peace Their Aim” by John Kifner New York Times May 11, 2004. (source: Double-Tongued Dictionary)