£ U.S. Bombers« Jap AtollST'S -PEARL HARBOR, Feb. 15—Amer-vo lean carrier bombers are slowly but ng relentlessly reducing the Japanese oy held atoll of Eniwetok In the Mar-he shells group in the central Pacific ,m to rubble, it was disclosed today, fg In three days heavy ship-borne Yankeee bombers have delivered ™ six assaults against the atoll's air* he drome coastal batteries and other tis defense installations. The tiny tie atoll Is some 375 miles northwest of k- American held Kwajalein atoll in the center of the Marshalls group.Pacific fleet headquarters spokes-L men here revealed that the latest 30 attacks on Eniwetok were Feb. 10, n“ 11 and 12. During the night of February 11-12, a spokesman said, v- a small force of enemy bombers er raided Roi Island in the Kwajalein o- atoll. Damage and casualties were a reported as moderate.In the southwest Pacific Amer-_ lean assault units, during the weekend, occupied a small unidentified island between New Guinea and New Britain. The Island had been S. by-passed in the landings at Cape bt Gloucester, New Britain, eg Allied bombing planes lashed a-I,- gain at an airdrome at. Kavieng, tie New Ireland. Nearly 150 tons of a- bombs ripped a runway, destroyed 00 two parked bombers and wiped out an ammunition dump.