Nicholas Hannah Blog Post 2 1.) Title, date, and URL: On a Mission. Season 4, episode 3: Rise of the Twins: Spirit and Opportunity. Published February 16 th , 2022. Episode 3: Rise of the Twins: Spirit and Opportunity | NASA Jet Propulsion Laboratory (JPL) 2.) Topic: The topic of this podcast is the twin mars rovers: Spirit and Opportunity, launched in 2003. This episode outlines the historical importance of the two rovers and how they bolstered American spirit in the aftermath of the September 11 th attacks. Cuffs fashioned from metal of the World Trade Center, memorials to those lost in the Space Shuttle Columbia disaster, and the names of many Americans inscribed in a cd. 3.) Interview: Interviewer Ellie Mckay speaks with NASA engineer Matt Wallace (now Director for Planetary Science), who was in NASA for several years before working on the rovers. Following the failures of the Mars climate orbiter, Mars polar lander, and s...