My father is in the front row, far left.
My mother wrote: U.S. Navy - USS Yorktown Aircraft Carrier
My father wrote the following:
April 2, 1944 In the Shop Arrow to "my helmet"
L to R Top row. W. Musson, N. Trepaskp, W. Rosenbaum, E. Hoegeman
Mid row: C. Culbertson, R. Pagel, T. Mosbey, L. Goldsmith, C. McCarthy
Bottom row: ? (my father) Lt. J. O. Hatchet, J. Jones, Lt. G. H. Klans and J. McCormick
(There are probably errors, as he always had terrible penmanship. If anybody wants to make a correction, I would love to hear from you.)