U.S. Army Cadet Command has recently developed Google Classroom courses for JROTC curriculum. These courses allow JROTC programs to conduct instruction both in school and remotely.
JROTC instruction covers 4 years and it is organized under Leadership, Education and Training (LET).
LET Levels generally reflect the grade level of the cadets although students may enter JROTC during any school year.
Instructional materials consist of 2 documents:
LET Level Textbook
Each lesson in JROTC has a 4 phase lesson plan: Inquire, Gather, Process and Apply
The Student Handout book has supplemental materials to include:
Student Learning Plan
Cadets also have the Cadet Reference available in hardcopy and in the References