In the bright and icy sky of high altitudes, the vapor trails emitted by the engines of the heavy bombers in flight to the target, The planes are B-24 Liberators of USAAF’s 759th Bomb Squadron took of from their base in Southern Italy. Victor Sierra

In a bright and icy sky

B-24 Liberators of USAAF’s 759th Bomb Squadron, based at Giulia Airfield, Southern Italy, flying at high altitude to their target mark the sky with the vapor trails emitted by their engines. Victor Sierra

Vapor trails

A B-24J Liberator of USAAF’s 459th Bombardment Group, note the red checked fins, emblem of this unit, view by a sister ship during an high altitude flight, between the vapor trails, to their target. Italy’s sky, 1944. Victor Sierra