The center window over the altar was given in memory of Brevet Major General William F. Barry, Father of the Artillery School, the first service school of the Army. He served as the Commandant 1867-1877. The window was designed by E. Barnard, crafted by Redding Baird Co., Boston, Massachusetts. One of the unique features of the window is the jeweled glass near the top.
The window reads, "I have fought the good fight.
The plaque reads "In Memoriam Bvt Maj Genl William F. Barry, Died July 17, 1789".

To the right of the center window given in memory of Fannie Luscombe Easterbrook, by her husband, shortly after her death from typhus at Walter Reed Army Hospital, Washington, D.C. Additional windows in memory of Mrs. Easterbrook are in the chapels at Walter Reed General Hospital and Ft. Sam Houston, Texas.
The 1st plaque reads "her childen shall rise up and call her blessed Prov 31:28". The second plaque reads, "In Memoriam Fanny Luscombe Easterbrook Wife of Chaplain Edmund P. Easterbrook U.S. Army Born Dec 10, 1864 Died: June 26, 1929

To the left of the center window given in memory of Chaplain (Colonel) Edmund Easterbrook by his five children; Arthur, Gladys (Mrs. J. Lawton Collins), Wilfred, William, and Ernest (Major General). Chaplain Easterbrook developed the General Protestant Worship format while stationed here. He served as Chief of Chaplains in 1928-29.
The 1st Plaque reads "I have finished the course, I have kept the faith. II Tim 4:17". The second plaque reads, "In Memoriam: Col. Edmund P. Easterbrook, Chief of Chaplains U.S. Army Born: Dec 2?, 186? Died: Jan 1?, 19??

These two windows on the side wall of the sanctuary were crafted by R. Geissler, New York, prior to the chapel centennial. The Altar Guild provided funds for the "Lamb of God" window and the youth fellowship group of the chapel purchased the other window.