{"product_id":"2940156739554","title":"Combat box","description":"The Combat Box was a tactical formation used by heavy (strategic) bombers of the U.S. Army Air Forces during World War II. The combat box was also referred to as a \"staggered formation\". Its defensive purpose was in massing the firepower of the bombers' guns, while offensively it concentrated the release of bombs on a target. Initially formations were created in keeping with the pre-war Air Corps doctrine that massed bombers could attack and destroy targets in daylight without fighter escort, relying on interlocking fire from their defensive machine guns, almost exclusively the Browning M2 .","brand":"Euprint press Limited","offers":[{"title":"Default Title","offer_id":47076611260656,"sku":"2940156739554","price":1.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940156739554_p0.jpg?v=1764122323","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940156739554","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}