With the Marines back on line, VMO-6 and HMR-161 which were under division operational control again resumed normal combat routine. Returning on 8 July to their forward airstrip in the center regimental sector, VMO-6 helicopters made eight frontline helicopter evacuations. Observation planes that same day conducted four artillery spotting missions behind enemy lines. HMR-161, assuming normal operations on 10 July, resupplied Marine division outposts with 1,200 pounds of rations, water, and gear as part of its 25.3 hours flight time this first day back in full service. _Enemy and Marine Probes, 11–18 July_[495] [495] Unless otherwise noted, the material in this section is derived from: _PacFlt EvalRpt_ No. 6, Chap. 9; 1stMarDiv ComdD, Jul 53; 1stMarDiv G-3 Jnls, 10–17 Jul 53; 1stMarDiv PIRs 923–930, dtd 10–17 Jul 53; 1stMar, 5thMar, 7thMar, 11thMar, 2/5, 1/7, 3/7, 2/11 ComdDs, Jul 53; Hermes, _Truce Tent_. After the flare-up on the Berlin front, there was relatively little action for the next 10 days. Marines continued the relief of the last of the outgoing 25th Division units. When this was completed on 13 July, 1st Marine Division units, including the 1st KMC/RCT[496] and 1st Amphibian Tractor Battalion, were all back in their accustomed sectors. They thus rejoined the 1st Tank Battalion, 11th Marines, Kimpo Regiment, and Division Reconnaissance Company which had remained on line throughout the period. The July relief was one that could hardly be characterized as routine. Interfering elements had included not only the Chinese but torrential summer rains. These had continued virtually nonstop from 5–8 July causing bridge and road washouts, rerouting of supply trucks, and juggling of manifests at a time when the regiments were using an average of 90 transport vehicles daily. [496] The 1st KMC/RCT turned over its sector of the 1st ROK Division front to the 1st ROK Regiment at 1800 on 8 July and relieved the U.S. 27th Infantry Regiment on 12 July. _ROKMC Comments._ Forward of the MLR the regular nightly patrols probed enemy territory, often with no contact. On at least three occasions division intelligence reported entire 24-hour periods during which the elusive Chinese could not be sighted anywhere in No-Man’s-Land by friendly patrols operating north of the Marine division front. More rain,[497] continual haze, and ground fog for 6 of the 10 days between 9–18 July not only reduced the activity of air observers and Marine pilots, but apparently inspired the ground-digging Chinese to pursue--at least across from the division sector of I Corps--a more mole-like existence than ever. Enemy troop sightings during the daytime decreased from as many as 310 CCF to a new low of 14. Incoming, for one 24-hour period, totaled no more than 48 rounds of Chinese artillery and 228 of mortar fire that struck Marine positions, causing only slight damage.