[3]: 60 [4]: 34  This mission codenamed Operation Shufly was to increase the mobility of Army of the Republic of Vietnam (ARVN) units fighting the Vietcong (VC) in the rice producing Delta region.

[3]: 65  In June the squadron developed the concept of the Eagle Flight where four Marine helicopters loaded with about 50 ARVN soldiers circled above an operational area on alert for any VC attempting to evade the ground forces.

[3]: 73–4  On 6 October the squadron suffered its first fatalities when a search and rescue UH-34 crashed due to mechanical failure 15 miles (24 km) southwest of Tam Kỳ killing five Marines and two Navy corpsmen with only the pilot surviving.

[3]: 83  During their time in South Vietnam the squadron's crews had flown a total of 10,869 hours, 15,200 sorties and had lifted over 25,216 combat assault troops and 59,024 other passengers.

[3]: 111  On 10 March two squadron UH-34Ds were engaged in a search and rescue operation for a United States Army OV-1 Mohawk missing in 5,000 feet (1,500 m) mountains 30 miles (48 km) southwest of Quảng Ngãi.

[3]: 114  On 13 April the squadron landed ARVN troops from the 2nd Division 30 miles (48 km) south of Danang escorted for the first time by U.S. Army UH-1B gunships from the 68th Aviation Company.

[3]: 115  On 27 April the squadron supported Operation Bach Phuong XI, an ARVN attack on the VC stronghold at Đỗ Xá (15°10′37″N 108°04′41″E / 15.177°N 108.078°E / 15.177; 108.078), one helicopter was hit in the initial landings and had to be destroyed.

[3]: 115–6  On 8 June the squadron was replaced by HMM-261, During its deployment it had flown 17,670 sorties for a total of 8,579 flight hours, losing one Marine killed and three UH-34Ds destroyed.

[3]: 146 [5] On 14 April a squadron UH-34D was shot down on a medevac mission 40 miles (64 km) west of Danang near the Laos border, the crew was rescued and the helicopter was destroyed.

[3]: 154–5  On 13 June a squadron UH-34 on a resupply mission from Khe Sanh to Tiger Tooth Mountain (Dong Voi Mẹp) (16°46′05″N 106°42′47″E / 16.768°N 106.713°E / 16.768; 106.713) was caught in downdrafts and crashed, all crewmen were rescued but the helicopter was destroyed.

[3]: 157–8  On 18 July the squadron evacuated the Marine team on Tiger Tooth Mountain (Dong Voi Mẹp) to Khe Sanh.

On 30 August a squadron UH-34D hit trees on a small high elevation landing zone and crash-landed the crew was rescued and the helicopter stripped and destroyed.

[4]: 85  On 11 October the newly arrived Marine pilots and aircrews were involved in their first firefight when eight UH-34Ds drew VC fire while landing a 112-man Vietnamese unit in the hills 10 miles (20 km) west-southwest of Tam Ky.[4]: 85  On October 26, the squadron suffered their first combat casualties when a copilot and crew chief were wounded by VC small arms fire while their helicopter was approaching an enemy contested landing zone 10 miles (20 km) southwest of Tam Ky.

Many of the rescues were accomplished by hoisting individuals from precarious positions in trees or on rooftops while being subjected to sporadic VC harassing fire.

The TK-1, an externally mounted combination of M60 machine guns and 2.75-inch (70 mm) rocket launchers, that was first used in support of a Tiger Flight mission conducted just south of the Song Thu Bon, about 17 miles (27 km) from Da Nang.

Squadron commanding officer are also listed:[3]: 175 This article incorporates public domain material from websites or documents of the United States Marine Corps.