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NASA officials have determined that the robotic InSight lander is ready for its mission to Mars after concluding that the probe should not suffer the same flaw that led to a crack in a heat shield undergoing tests for the space agency’s Mars 2020 rover, InSight’s chief scientist said Monday.

Now cocooned inside a heat shield and the nose shroud of an Atlas 5 rocket that will send it to Mars, NASA’s InSight lander is awaiting launch May 5 from Vandenberg Air Force Base, California.

Ground crews at Vandenberg Air Force Base on California’s Central Coast hoisted NASA’s InSight Mars lander atop a United Launch Alliance Atlas 5 rocket Monday, kicking off nearly two weeks of integrated tests and checkouts before the probe’s interplanetary launch window opens May 5.

The United Launch Alliance Atlas 5 rocket carrying NASA’s InSight lander toward Mars will have a roughly two-hour predawn launch window each day from May 5 through June 8 to boost the science probe into space from Vandenberg Air Force Base, California.

NASA’s InSight Mars lander will be buttoned up for launch in the coming weeks at Vandenberg Air Force Base in California, in preparation for its hoisting atop an Atlas 5 rocket for blastoff in the predawn hours of May 5.

Ground crews at Vandenberg Air Force Base in California raised a United Launch Alliance Atlas 5 rocket on its launch pad earlier this month in preparation for liftoff May 5 with NASA’s InSight lander heading to Mars.