(L/R) Artemis II mission specialist Jeremy Hansen, Artemis II mission specialist Christina Koch, Artemis II pilot Victor Glover and Artemis II Commander Reid Wiseman look on ahead of the closing bell ceremony of the Nasdaq market session in New York City on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

The Artemis II astronauts, pilot Victor Glover, mission specialist Christina Koch, commander Reid Wiseman and mission specialist Jeremy Hansen of CSA (Canadian Space Agency) pose for a photo with NASA Communication staff before the Nasdaq Stock Market closing bell ceremony in New York City on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

(L/R) Artemis II Commander Reid Wiseman, Artemis II mission specialist Christina Koch, Artemis II pilot Victor Glover and Artemis II mission specialist Jeremy Hansen look at the Nasdaq MarketSite in Times Square in New York City on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

(L/R) Artemis II mission specialist Jeremy Hansen, Artemis II pilot Victor Glover, Artemis II mission specialist Christina Koch and Artemis II Commander Reid Wiseman pose for photographs outside of the Nasdaq MarketSite in Times Square in New York City on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

Artemis II pilot Victor Glover (C) reacts to a birthday message on the Nasdaq MarketSite next to Artemis II mission specialist Jeremy Hansen at Times Square in New York City on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

Artemis II pilot Victor Glover (2R) is embraced by Artemis II mission specialist Jeremy Hansen, Artemis II mission specialist Christina Koch and Artemis II Commander Reid Wiseman as they wish him happy birthday outside of the Nasdaq MarketSite in New York City on April 30, 2026. A photo of the moon is seen on a screen as The New York Stock Exchange welcomed NASA to the podium in celebration of the historic Artemis II mission in New York on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

(L/R) Adena Friedman, Chair and Chief Executive Officer at Nasdaq, Artemis II mission specialist Jeremy Hansen, Artemis II mission specialist Christina Koch, Artemis II pilot Victor Glover and Artemis II Commander Reid Wiseman , ring the closing bell of the Nasdaq market session in New York City on April 30, 2026. A photo of the moon is seen on a screen as The New York Stock Exchange welcomed NASA to the podium in celebration of the historic Artemis II mission in New York on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)

(L/R) Adena Friedman, Chair and Chief Executive Officer at Nasdaq, Artemis II mission specialist Jeremy Hansen, Artemis II mission specialist Christina Koch, Artemis II pilot Victor Glover and Artemis II Commander Reid Wiseman , ring the closing bell of the Nasdaq market session in New York City on April 30, 2026. A photo of the moon is seen on a screen as The New York Stock Exchange welcomed NASA to the podium in celebration of the historic Artemis II mission in New York on April 30, 2026. (Photo by Adam GRAY / AFP via Getty Images)