NASA's Curiosity rover is in the middle of its 49th drilling campaign on a target called "Nazca" on the slopes of Mount Sharp, and like any 14-year-old piece of hardware operating 140 million miles from the nearest repair shop, it needs to manage its energy carefully. Sols 5060 through 5062 were deliberately light on activity — a planned recharge window before the power-intensive final stages of the drill campaign. The Nazca campaign is well advanced. The hole is drilled, the tailings have been characterized with ChemCam, and sample dropoffs to both the SAM and CheMin instruments inside the rover's belly are complete. What remains is another SAM dropoff for a different analysis type and cleanup operations, including a charmingly named procedure called RAGE — Rotate to Agitate for Granule Expulsion — which shakes residual sample material out of the drill bit. During the recharge window, the team still managed meaningful remote science. ChemCam fired active shots and captured Remote Micro-Imager mosaics on targets dubbed "Titicaca," "Pampas," and "Salta." Mastcam imaged the calibration target and drill site. Navcam conducted dust devil surveys and Mastcam performed tau (atmospheric opacity) observations along with twilight imaging. The Nazca crystal formations and nearby layered rocks and bedrock continued to be documented. The most operationally significant event was a brand-new engineering test on Sol 5061: running CheMin's "Get Data" activity — a CPU-intensive transfer of science data from the instrument to the flight computers — simultaneously with an orbital data relay pass. This parallelism test is a direct response to declining power output as the rover ages. Running two activities concurrently means less total awake time, which means less total power draw. The test reportedly went well, though full engineering analysis is pending. This kind of operational adaptation is the quiet story of Curiosity's extended mission. The rover's power source, a Multi-Mission Radioisotope Thermoelectric Generator, degrades predictably over time as its plutonium-238 fuel decays. Every watt-hour now requires more careful budgeting than it did a decade ago. The parallelism strategy — vetting pairs of activities that can safely run simultaneously — is an engineering workaround that extends mission capability without new hardware. The broader context is a rover that has now operated for over 5,000 sols on Mars, far exceeding its original two-year primary mission. Each drill campaign generates a cascade of activities: drilling, characterization, sample handling, instrument analysis, cleanup, and documentation. Managing this pipeline against a shrinking power envelope is an ongoing optimization problem, and the team's willingness to develop and test new operational modes like parallelism speaks to institutional adaptability. Curiosity's next steps are to complete the Nazca campaign — the remaining SAM analysis, RAGE cleanup, and final imaging — before moving on. The sol-by-sol cadence of recharge, execute, recharge is now a permanent feature of operations, not a temporary inconvenience.
