A large defense labor union is calling on Congress to fund two Virginia-class submarines in its fiscal year 2025 spending legislation in a June 4 letter addressed to the leadership of the House Appropriations Committee, which is set to mark up its version of the bill Thursday. Penned by the International Association of Machinists and Aerospace Workers (IAMAW), which describes itself as the largest defense union in the United States, the letter argues that steady two-per-year Virginia submarine procurement is...