The Marine Corps is disputing recent assertions that the CH-53K chopper is more expensive than an F-35 Joint Strike Fighter, as the heavy-lift helicopter program awaits an initial production decision from Pentagon leadership. During a Monday briefing at the Navy League’s annual Sea-Air-Space conference, Col. Hank Vanderborght sought to clarify the cost of the CH-53K aircraft. The issue stems from a March 10 House Armed Services Committee hearing, during which Rep. Niki Tsongas (D-MA) said a new estimate puts the...