a depth of , lifting the submarine . Inasmuch as the submarine was in the middle of the ocean, with her charts showing over of water, the first thoughts of the commanding officer concerned what new type of antisubmarine measure the enemy was using. Stingray then took precautionary soundings and found no bottom at 2,000 fathoms. Unable to determine what she had collided with, the submarine continued patrol. During the early morning darkness of 13 April, Stingrays lookouts sighted the approach of a broaching torpedo. She made a sharp turn to port as the torpedo passed ahead. Two seconds later, a second torpedo just missed as it ran down her starboard side. She searched the area for her attacker without success and returned to Pearl Harbor on 22 April. Eleventh through sixteenth war patrols and fate Stingray spent her eleventh war patrol on lifeguard station for air strikes on Guam. On 11 June the submarine rescued a downed Navy aviator and the following day pulled two more airmen from the water. On 13 June, Stingray received word that a Navy airman was down approximately offshore. With shells exploding on either side of the submarine, she made four submerged approaches until the pilot was finally able to grab one of the submarine's periscopes and was towed safely clear of the island and taken on board. On 18 June, Stingray experienced a fire in her superstructure near the conning tower hatch. After extinguishing the fire several times only to have it flare up again, the trouble was finally located, and the submarine continued patrol. She returned to Majuro Atoll in the Marshall Islands on 10 July. For her twelfth war patrol, Stingray carried out a special mission, landing fifteen Filipino officers and men and six tons of supplies on the northeastern coast of Luzon. On the way back to Port Darwin, Australia, on 18 August, she picked up four Japanese sailors from the cruiser , which was sunk earlier in the day. Stingray reached Port Darwin on 7 September 1944. Stingray was underway again on 10 September 1944 for her thirteenth war patrol, spent on a special mission to look over possible landing beaches at Marjoe Island. She returned to Port Darwin on 19 September 1944. Stingray carried out two special missions in the Philippine Islands during her fourteenth and fifteenth war patrols. She was on the surface in the Pacific Ocean