A
Military Reserve Organization
B
Maritime Regional Oversight
C
Mutual Reconnaissance and Operations
D
Maintenance, Repair, and Overhaul
Correct answer: (d) Maintenance, Repair, and Overhaul
Explanation
Option D is correct because MRO refers to Maintenance, Repair, and Overhaul services necessary to keep military assets operational throughout their lifecycle. Options A, B, and D use incorrect expansions that have no relevance to the technical definition.
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