Involving relationships between branches of the armed services. (adjective)
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Use "interservice" in a sentence
"The Burke documents date from internal Navy and interservice memoranda arguing the merits of each leg of the triad."
"Because of interservice rivalry, the Army sent FDR reports from Magic on odd-numbered months, the Navy sent them on the even-numbered ones."
"Outcomes of the British efforts to dictate overall strategic pressure were the self-protective attempts at interservice cooperation that resulted in the creation of the U.S. Joint Chiefs of Staff and the principal continuing mechanism for British-American wartime coordination, the Combined Chiefs of Staff CCS organization."