Bianchini left active service in 1967 and remained in the Reserves. In 1968, he rejoined the 4th Force Reconnaissance Company in 1968 and served as the unit's operations officer, the executive officer, commanding officer and the unit's jumpmaster. From 1971 to 1981, he served in numerous summertime assignments at Headquarters Marine Corps, the board for Correction of Naval Records, acting staff judge advocate at MCRD San Diego and Marine Corps Forces, Pacific. From 1976 until 1983, he served as the commanding officer of the Mobilization Training Unit (MTU Law) 12–1 in San Diego. In 1984 he then became the officer in charge (OIC) and senior military judge of the Reserve Military Judges Unit, Sierra Circuit, Camp Pendleton. In 1987, he served as a special staff officer, Marine Corps Reserve Support Command (MCRSC) in Overland Park, Kansas. In 1988 through 1991, he served as the deputy inspector general, United States European Command (EUCOM) in Vaihingen, Germany. During that tour, he was recalled to active duty during Desert Shield/Desert Storm and served as an investigating inspector general at Headquarters, Marine Corps, while still retaining his status as the deputy inspector general of EUCOM.