Are the uniforms issued to the measurements submitted in the PTR form? Or are those measurements for inventory purposes and they re-measure for issue on I-day?
The application for USNA last year opened during the second week of summer seminar, so it is unlikely to finish before you go even if you attend the last session.
If a candidate has an LOA and a nomination has shown up in the USNA admissions portal online, how long is it usually until the appointment arrives in the mail?