Let's see if I can successfully paste what I found initially on an enlistment record search:
Field Title Value Meaning
ARMY SERIAL NUMBER 15076049 15076049
NAME MC#CORMAC#JOHN#W######## MC#CORMAC#JOHN#W########
RESIDENCE: STATE 53 OHIO
RESIDENCE: COUNTY 155 TRUMBULL
PLACE OF ENLISTMENT 5340 FT HAYES COLUMBUS OHIO
DATE OF ENLISTMENT DAY 12 12
DATE OF ENLISTMENT MONTH 03 03
DATE OF ENLISTMENT YEAR 42 42
GRADE: ALPHA DESIGNATION PVT# Private
GRADE: CODE 8 Private
BRANCH: ALPHA DESIGNATION BI# Branch Immaterial - Warrant Officers, USA
BRANCH: CODE 00 Branch Immaterial - Warrant Officers, USA
FIELD USE AS DESIRED # #
TERM OF ENLISTMENT 5 Enlistment for the duration of the War or other emergency, plus six months, subject to the discretion of the President or otherwise according to law
LONGEVITY ### ###
SOURCE OF ARMY PERSONNEL 0 Civil Life
NATIVITY 74 MINNESOTA
YEAR OF BIRTH 17 17
RACE AND CITIZENSHIP 1 White, citizen
EDUCATION 8 4 years of college
CIVILIAN OCCUPATION 050 Laboratory technicians and assistants
MARITAL STATUS 2 Married
COMPONENT OF THE ARMY 6 Army of the United States - includes the following: Voluntary enlistments effective December 8, 1941 and thereafter; One year enlistments of National Guardsman whose State enlistment expires while in the Federal Service; Officers appointed in the Army of the United States under Army Regulations 605-10
CARD NUMBER # #
BOX NUMBER 0181 0181
FILM REEL NUMBER 2.38# 2.38#
Don't know if any of this info gives you helpful clues. I found it by looking in the research corner and going into the thread entitled : Step 1 WWII enlistment records:
106thdivision.proboards.com/post/297/threadClick on the link that Carl provided there in the first post.
You'll see a long list of choices. In the top box:
World War II Army Enlistment Records, created, 6/1/2002 - 9/30/2002, documenting the period ca. 1938 - 1946 - Record Group 64
Search 9,039,840
HTML Records Electronic Army Serial Number Merged File, ca. 1938 - 1946
(Enlistment Records)
Search 8,706,394
HTML Records Electronic Army Serial Number Merged File, ca. 1938 - 1946
(Reserve Corps Records)
Search 333,446
I clicked in the second choice, the one with the 8,706,394 records and plugged in the name (in caps) and the serial number and hit search.