Final answer:
The question is asking for historical details about Larry D Case's retirement year and the length of his service. Without additional context or specific historical records, it's not possible to answer this question accurately.
Step-by-step explanation:
The question "Larry D Case retired in ____ after ___ years of service." appears to be seeking specific historical information about an individual's retirement, namely Larry D Case. To provide an accurate response, one would need additional context or access to records that detail Larry D Case's career and retirement date. This question likely pertains to historical data or could be related to a case study in a social studies class.