Describes aircraft engine systems, fuels, and lubricants.

Photograph of S/Sgt. Clarence Alexis, viewed from his left side, standing in front of a piece of equipment during a visit to the Yoder Company plant, holding up a microphone. Alexis is wearing a military uniform and several other uniformed men are visible on the left side of the image, in front of several workers who appear to be watching the speech. A woman's face is partially visible on the right edge of the image.

Photograph of factory workers and visiting soldiers at the Yoder Company plant during a speech by a uniformed soldier, visible from the neck down at the right side of the image, holding a microphone. Four uniformed soldiers are grouped nearby, tentatively identified as Leo Crivello (seated, at left, looking at his hands), Harry Gaby (center) and Louis Cocozza (right) who are standing, and a fourth man who is seated in front of them, facing away. Factory workers are standing behind them, looking toward the camera or watching the man who is speaking, including several who are wearing suits and others wearing work aprons.

Photograph of Francis Lesniak and William Giannopoulos kneeling together by a cactus beside a drainage ditch. A truck is driving on a road to the right, while a person can be seen on a dirt path near camp buildings to the left.

List of names written by Gayle Snell identifying the WASPs in five portraits.

Photograph of a man wearing a dark-colored military uniform, tentatively identified as Capt. Gordon Sympson standing with his hands in his pockets between two unidentified men wearing dark-colored suits. They are standing near equipment, visible at left, and are all looking toward the left side of the image. Another man in a military uniform is partially visible behind Sympson, looking toward the flor.

Photograph of Captain Gordon Sympson, viewed from his left side, standing in front of a piece of equipment during a visit to the Yoder Company plant, holding up a microphone. Alexis is wearing a military uniform and several other uniformed men are seated on the left side of the image, in front of several workers who appear to be watching the speech. Part of the factory structure and catwalks are visible in the background.

Photograph of a group of uniformed soldiers standing in two lines during a visit to the Yoder Company plant. In the center of the image, Capt. Gordon Sympson (left) is standing in front of the group with his left arm around Sgt. Jack Allen while he shakes hands with an unidentified man wearing a dark-colored suit (right). The other soldiers are tentatively identified (left to right) as: back row, S/Sgt. Clarence Alexis, Pfc. Leo Crivello, T/5th Lars Larson; front row, Pfc. Harry Gaby, Cpl. Myles Gates, and Pfc. Louis Cocozza.

Group portrait of uniformed soldiers during a visit to the Yoder Company plant, posing together in several lines. They are tentative identified as: Capt. Gordon Sympson (left), Pfc. Harry Gaby (back left), Pfc. Leo Crivello (back center), and left-to-right, S/Sgt. Clarence Alexis, Sgt. Jack Allen, Cpl. Myles Gates, Pfc. Louis Cocozza, and T/5th Lars Larson. A man wearing a suit is partially visible at the far right of the image.

Photograph of Pfc. Leo Crivello standing next to an unidentified female worker at the Yoder Company plant; both of them are looking down at a series of large metal shells on a table and the worker is holding hose suspended from the ceiling in her right hand. A man wearing work gloves is standing directly behind Crivello, laughing and looking toward the left side of the image; another worker is visible on the right side of the image, looking at mechanical equipment, which is visible in the background.

Letter from B. K. Yount to Catherine Parker showing appreciation and commending her for successfully handling assignments as a Women Airforce Service Pilot.

Letter from Beal S. Powell to Lena Lawson, discussing the mail he had received. Powell says that he is still waiting to hear back from his dad.

Letter from Catherine to her husband Joe discussing news from home, including plans to get a perm, the weather, and updates on family members.

Letter from Catherine to her husband Joe discussing news from home, including plans to see Missie on Christmas afternoon, Honey passing his physical, and taking a plane ride in a Piper Cub with a former Captain in the Civil Air Patrol.

Letter from Catherine to her husband Joe discussing news from home, including Ina Clark divorcing Hugh to marry Ragsdale Nichols, and plans for her to go to San Antonio with May, Lorraine, and Missie.

Letter from Catherine to her husband Joe discussing what Catherine has heard of the warfront, including a letter from Jack Cope and a newspaper article about a marine who invaded Saipan. Catherine also asks that Joe tell her what he would like for Christmas.

Letter from Constance B. Turner to Charles A. Prince discussing the possibility of creating flying programs in Mexico and South America.

Letter from Cornelia Yerkes discussing a trip from Houston to Dallas, new bedspreads, recent correspondence, and ferrying planes.

Letter from WASP Cornelia Yerkes discussing meeting a private from Jacksonville, flying, and seeing Pike's Peak. Written on Texas Zephyr stationary.

Letter from WASP Cornelia Yerkes discussing problems with bad weather and flying, seeing a friend, recent correspondence, and where she had recently flown. Written on United Air Lines stationary.

Letter from Cornelia Yerkes discussing getting planes to fly, news about friends, and plans for work after the WASP are disbanded. Typed on Hotel Frances (Marion, LA) stationary.

Letter from Doris Duren to Mr. and Mrs. Rigdon Edwards discussing how the U.S. Army split up she and a group of other female pilots. She mentions that they fly BT-14 planes, give instruction to flight cadets, and are supposed to be trained to fly B-26 planes soon. At the top left of the first page, there is a small, printed illustration of the WASP mascot, Fifinella

Letter from Doris Tanner to Rigdon and Mary Emma Edwards about the Army splitting them up and what life is like in the new environment.

Letter from Joe to his wife Catherine discussing taking a test with Williams, responding to the contents of Catherine's last letter, and planning to write a letter to Dan.