Are there any classes or training regarding how to write a good Acquisition Strategy?
The Prlincipal Deputy, Under Secretary (AT&L) recently issued a revised outline of the expected content for an Acquisition Strategy (also applies to a Technology Development Strategy). The outline can be tailored to fit the needs of a particular program, but this has to coordlinated with the Milestone Decision Authority in advance. Rather than taking a course, a more effective approach may be to simply review the outline, absorb it, and then adapt it to the program's specific situation. The revised Acquisition Strategy outline can be accessed from the following link in the Defense Acquisition Guidebook (DAG), section 2.3:
Section 2.3 of the DAG also contains general descriptive and summary information about the purpose and content of an Acquisition Strategy and is worth reading.