NASA assigned Alan Shepard as commander, Stuart Roosa as command module pilot, and Edgar Mitchell as lunar module pilot for Apollo 14. The selection mattered because Shepard’s return to flight status and the crew’s training set the stage for a careful, science-focused return to the lunar surface after Apollo 13. The backup crew (Cernan, Evans, Engle) provided depth for training and contingency planning.
Apollo 13 was supposed to land at Fra Mauro, but an onboard oxygen-tank explosion forced NASA to abort the landing and focus on getting the crew safely home. The mission’s safe splashdown highlighted design and operations risks that NASA addressed before the next landing attempt. Fra Mauro remained a high-priority science target for understanding the Moon’s impact history.
On launch day, mission rules required a delay because cumulus cloud tops exceeded limits designed to reduce lightning risk. The hold lasted about 40 minutes, reflecting stricter launch-weather rules adopted after Apollo 12’s lightning strikes. When conditions improved, controllers resumed the countdown and proceeded to launch.
Apollo 14 lifted off from Kennedy Space Center on a Saturn V rocket, beginning NASA’s third successful lunar-landing attempt. The mission aimed to return humans to the Moon while carrying out field geology in the Fra Mauro highlands. It also tested updated procedures and hardware changes made after Apollo 13.
After translunar injection, the command module had repeated trouble docking with the lunar module during transposition and docking. Because the lunar module was needed for the landing, the issue risked ending the mission early. Controllers and the crew used a workaround procedure that ultimately achieved docking.
A major engine burn slowed the spacecraft enough for the Moon’s gravity to capture it into orbit. Establishing lunar orbit was the transition point from travel to landing operations. From this point forward, the mission timeline depended on precise navigation and system performance.
The lunar module Antares landed in the Fra Mauro formation, the same region Apollo 13 had been meant to explore. The site was chosen because its rocks were thought to include ejecta—debris thrown out—from the giant Imbrium impact, an event important to lunar history. The landing set up two planned surface excursions focused on sampling and instrument deployment.
Shepard and Mitchell began surface operations by deploying the Apollo Lunar Surface Experiments Package (ALSEP), a set of instruments powered for long-term data collection. A key instrument, the Passive Seismic Experiment, was designed to measure moonquakes and impacts to help infer the Moon’s internal structure. These deployments shifted Apollo 14 from a landing mission to a longer-lasting scientific observatory on the Moon.
On the second EVA, the astronauts used the Modular Equipment Transporter (a hand-pulled cart) to carry tools and samples farther from the lunar module. The mission’s main geologic goal was to collect material thrown out by Cone Crater, because the crater’s excavation could bring deeper Fra Mauro/Imbrium-related rocks to the surface. They came close to the rim and sampled ejecta, supporting studies of the region’s impact origin.
After about a day on the surface, the lunar module ascent stage lifted off from Fra Mauro to rendezvous in lunar orbit. This launch marked the end of surface exploration and began the mission’s return phase. Successful liftoff was essential because it enabled the crew to leave the Moon and rejoin Roosa in the command module.
A burn sent Apollo 14 out of lunar orbit and onto a trajectory back to Earth. With the landing completed and samples secured, mission priorities shifted to spacecraft checks and safe entry planning. The burn also effectively closed the Moon-focused portion of the mission timeline.
The command module splashed down in the South Pacific Ocean and was recovered by the USS New Orleans. The crew’s safe return confirmed that NASA could conduct another lunar landing after Apollo 13 and complete a demanding science program. Apollo 14’s Fra Mauro samples and instrument data helped strengthen the interpretation that the region contains Imbrium-impact ejecta, contributing to a clearer lunar geologic timeline.
Apollo 14 (1971): Fra Mauro Science Mission and Return to Lunar Surface