Ottis appears in the 1943 Carrollton High School Yearbook with this photo in a section titled "Students Serving in the War".  From his date of birth, I assume he would of been in the class of 1938.

S/Sgt. Ottis W. Rasberry

S/Sgt. Ottis W. Rasberry, born Feb 6, 1920, son of Mr. G. W. Rasberry of Farmers Branch, Texas, and husband of Ursie Lee Rasberry, entered the Army Air Corps Oct. 10, 1941. He served overseas from June, 1942 to June, 1943, in four major campaigns: Egyptain-Libyan; Sicilian; Tunisian; the European Air Offensive in the 344th Bom. Sqdn. (H). An Associated Press report from Cairo stated that he was awarded the Air Medal "For gallantry in action against the enemy", by Brig. Gen. Patrick Timberlake, Chief of the ABC in the Middle East. Sgt. Rasberry was Asst. Radio Op. - Gunner on a B-24, and an army report praises his gallantry in a damaged plane in Bengasi, at 22,000 feet altitude. He was awarded the D.F.C. and the Silver Star Medal, and was discharged Sept. 19, 1945.

The Fighting Men of Texas, pg 343
Submitted by Edward Lynn Williams

FIGHTIN' MEN
News of Texans In U.S. Service

Mrs. Myrtle Rasberry, Farmers Branch, has received word that her son, Sergt. Ottis W. Rasberry, 22, is now in foreign service. He enlisted Oct 10, 1941, in the Army Air Forces. he completed his aviation radio training in five months at Scott Field, Ill., and was sent to Panama City, Fla., for seven weeks' training in the bombardier school. Upon completing this course he was made a sergeant. He atte4nded Farmers Branch elementary school and Carrollton High School

The Dallas Morning News - August 13, 1943
Submitted by Edward Lynn Williams

FIGHTIN' MEN
News of Texans In U.S. Service

FARMERS BRANCH, Texas. - A three-day trip to Bethlehem in which he visited localities of significance to Christians was described in a letter to his wife by Sergt. Ottis W. Rasberry, 23, of Farmers Branch, radio operator on a Consolidated B-24 bomber based in Egypt. He told her he would never forget the emotions he felt when he first saw the little Palestine town. In the service since October, 1941, Sergeant Rasberry was graduated from the Army air force radio school at Scott Field, Ill. and was sent overseas in July. He had returned to his base after a successful crash landing, he wrote her in a recent letter.

The Dallas Morning News - December 22, 1942
Submitted by Edward Lynn Williams

RASBERRY
Ottis William, 2406 Richland, Farmers Branch. Survived by wife, Mrs. Ursie Lee Rasberry; daughter, Mrs. Carolyn Nelson, Dallas; son, Bill Rasberry, Austin; mother, Mrs. Myrtle Rasberry, Dallas; sisters, Mrs. Mary Shehene, Dallas, Mrs. Jane Weldon, Farmers Branch; five grandchildren. Services 2:00 p.m. Wednesday, RHOTON-WEILAND-MERRITT CHAPEL. Rev. Joe Moody and Father Henry Fulton officiating. Interment Restland. Pall bearers: James Womack, Earl Womack, Dan Chappell, John M. Kellam, Calvin Albright, Richard Russell, Mike Hardin.
RHOTON WEILAND-MERRITT
I-35 at Crosby Rd. Carrollton 242-5261

The Dallas Morning News - June 26, 1974
Submitted by Edward Lynn Williams