On 9 March 2016, NASA officials announced that "InSight" would be delayed until the 2018 launch window at an estimated cost of $150 million. The spacecraft was rescheduled to launch on 5 May 2018 for a Mars landing on 26 November at 15:00. The flight plan remained unchanged with launch using an Atlas V rocket from Vandenberg Air Force Base in California. NASA's Jet Propulsion Laboratory was tasked with redesigning and building a new vacuum enclosure for the SEIS instrument, while CNES conducted instrument integration and testing. On 22 November 2017, "InSight" completed testing in a thermal vacuum, also known as TVAC testing, where the spacecraft is put in simulated space conditions with reduced pressure and various thermal loads. On 23 January 2018, after a long storage, its solar panels were once again deployed and tested, and a second silicon chip containing 1.6 million names from the public was added to the lander. Seismometers on both "Viking" spacecraft were mounted on the lander, and picked up vibrations in 1976 from various operations of the lander and from the wind. However, the "Viking 1" lander's seismometer did not deploy properly and did not unlock; the locked seismometer could not operate. The Viking 2 seismometer did unlock, and was able to vibrate and return data to Earth. One problem was accounting for other data. On Sol 80, the Viking 2 seismometer detected an event. No wind data were recorded at the same time, so it was not possible to determine whether the data indicated a seismic event or wind gust. Other lacking data would have been useful to rule out other sources of vibrations. Two other problems were the location of the lander and that a certain level of wind on Mars caused a loss of sensitivity for the Viking 2 seismometer. InSight has many other sensors, is placed directly on the surface, and also has a windshield. Despite the difficulties, the Viking 2 seismometer readings were used to estimate a Martian geological crust thickness between at the "Viking 2" lander site. The "Viking 2" seismometer did detect vibrations from Mars winds complementing the meteorology results. There was the aforementioned candidate for a possible marsquake, but is not particularly definitive. The wind data did prove useful in its own right, and despite the limitations of the data, widespread and large marsquakes were not detected. Seismometers were also left on the Moon, starting with Apollo 11 in 1969, and also by Apollo 12, 14, 15 and 16 missions and provided many insights into lunar seismology, including the discovery of moonquakes.