decided to convert the 37th to a McDonnell F-4 Phantom II wing. The F-100 equipped 355th, along with the 416th Tactical Fighter Squadron were reassigned to the 31st Tactical Fighter Wing at Tuy Hoa Air Base, replacing the Air National Guard 136th and 188th Tactical Fighter Squadrons which were returning to New York and New Mexico, respectively. At Tuy Hoa, the tail code of the 355th F-100s was changed to "SP", and deployed Air National Guard personnel from New York and New Mexico and regular Air Force personnel manned the 355th until its inactivation on 30 September 1970. During its time in Vietnam, the 355th flew more than 17,000 combat sorties flying close air support, interdiction, search and rescue, and helicopter support missions. The squadron was awarded the Presidential Unit Citation. the Air Force Outstanding Unit Award, and the Republic of Vietnam Gallantry Cross with Palm for its service. On 1 November 1970, the 355 TFS was reactivated at Myrtle Beach Air Force Base, South Carolina as part of the 354th Tactical Fighter Wing. Upon its return, the unit transitioned to the new LTV A-7D Corsair II aircraft before redeploying to Southeast Asia in the fall of 1972 as the first A-7 unit to fight there. In 10 weeks of combat before the end of that conflict, the squadron participated in the Linebacker II campaign, generated more than 4,000 sorties, and was credited with 22 rescues of downed airmen. The unit returned to Myrtle Beach in April 1974. A-10 Thunderbolt II (1978–2007) Post-Vietnam era In February 1978, the 355th TFS transitioned to the new Fairchild Republic A-10 Thunderbolt II, a close air support aircraft, becoming the second operational squadron in the nation's first A-10 wing. Duty called again in August 1990 when the unit deployed to King Fahd International Airport, Saudi Arabia in support of Operations Desert Shield and Desert Storm. There, the squadron's pilots inflicted heavy damage to Iraqi armor and artillery emplacements, helped cut off enemy supply lines, and conducted search and rescue missions. The squadron contributed greatly to the 4,200 artillery, tank and other vehicle kills credited to A-10s during the war. Modern era Inactivated at Myrtle Beach on 31 March 1992, the 355 FS was reactivated on 20 August 1993, replacing the inactivating 11th Tactical Air Support Squadron at Eleison AFB, Alaska. The unit's primary missions included air strike control, close air support, interdiction, joint air