At almost the same time, 52 F-51 Mustangs of the 18th Fighter-Bomber Group and the South African 2 Squadron struck Fusen plants 3 and 4, west of Hungnam, while 40 Marine Skyraiders and F4U Corsairs of MAG-12 bombed Choshin No. 4, and 38 Panthers of MAG-33 hit Choshin No. 3. The lower Fusen plants and the Kyosen complex were bombed by 102 Corsairs, 18 Skyraiders, and 18 Panthers off the carriers. In all on June 23, Task Force 77 flew 208 strike sorties and FEAF 202. At 19:00, two RF-80 photo-recon aircraft of the 67th Reconnaissance Group, escorted by six flights of F-86s, returned to Sui-ho, while Marine F2H-2P Banshee photo-recon planes of VMJ-1 and Navy F9F-2P Panthers of VC-61 overflew the eastern systems to assess damage.