USS Yorktown launched 12 TBD Devastor and 28 SBD Dauntless aircraft at 0700 hours, which reached the new Japanese positions at Tulagi in the Solomon Islands at 0850 hours; the attack damaged minelayer Okinoshima and destroyer Kikuzuki. At 1210 hours, a second attack wave hit Tulagi, sinking minesweepers WA-1 and WA-2 and damaging minesweeper Tama Maru; 87 Japanese personnel were killed during this second attack. USS Yorktown lost 3 aircraft, but all air crew were rescued. The Japanese withdrew from Tulagi temporarily, but would very soon return to complete the construction of a seaplane base.