More on "Grandpa"
James C. Haislip Jr. enlisted in the United States Marine Corps on July 11, 1942. He was a Staff Sergeant and flew as a Gunner in a Grumman TBF Avenger torpedo bomber during the Solomon Islands and the Bismarck Archipelago battles.

Photograph of VMTB-143 Devil Dog Avengers. James Haislip is sitting on the wing all the way to the right in the photo.
Printed text on the back: "Marine Aircraft Group-11 - 1st Marine Aircraft Wing - Fleet Marine Force"
this citation still around?
http://www.shortsnorter.org/files/James_Haislip_Commendation_Admiral_Nimitz.pdf
Staff Sergeant James C. Haislip Jr. received a Letter of Commendation from Commander-In-Chief of the Pacific Fleet, Admiral Chester W. Nimitz, in 1944. His citation read:"For meritorious and efficient performance of duty as an aerial gunner attached to a Marine torpedo bombing squadron operating in the Solomon Islands and Bismarck Archipelago areas from July 20, 1943 to March 2, 1944. During three tours of duty Staff Sergeant Haislip participated in 31 bombing and strafing attacks against Japanese installations, frequently being subjected to intense anti-aircraft fire and heavy fighter plane opposition. His courage and accurate marksmanship contributed materially to the defense of the plane on all missions and were in keeping with the highest traditions of the Naval Service.
His P-38 was #73 and named "Jo"