In the early days of the Korean War, Hoskins's was the first carrier group on station following the outbreak of hostilities on the Korean peninsula; the naval flight group under his command based on was the first to give airborne support to retreating South Korean army units. While he was commanding officer of "Valley Forge", the carrier and her aircraft were twice deployed to the war zone to repel advances by the enemy and were major contributors to the successful Inchon landings. Before his retirement, he was made the subject of a 1955 biographical film by Republic Pictures entitled "The Eternal Sea" with Sterling Hayden and Alexis Smith portraying Hoskins and his wife Sue.