Thanks, Tommy. I can fill in a couple more pieces: Enlisted Reserve Corp was, evidently, what later became the Army Reserves. Discharged soldiers (maybe just enlistees, not draftees?) are placed in the ERC and can be recalled to active duty? When my dad was inducted on April 15, he was placed in the ERC and sent home so they didn't have to pay and feed a soldier they weren't ready for. He entered active service one week later. I don't know if he was scheduled to return then or if he waited for a recall notice. That's why it says his pay was due from the April 22 recall from ERC. The Cl (CL) N and S refer to classes of allotments, but I haven't determined what they were for. His Class N allotment was for $6.70 of his monthly pay to go toward some expense or fund (a deduction). On that first payroll, they deducted $6.70 for April, $6.70 for May and $6.70 for "Adv" or in advance, to bring him up to date. The Class S (I think that's an S) allotment was effective May 1 and apparently not charged in advance so they deducted for the month of May at $3.75. The Class F allotment of $22 was what was sent home to his wife, I'm pretty sure.