May 5, 2024August 17, 2024 THE 29TH CHARLES HAMPSON GRANT MEMORIAL INTERNATIONAL MASS LAUNCH OF CLOUD TRAMPS, 2024
April 27, 2023September 12, 2023 THE 28TH CHARLES HAMPSON GRANT MEMORIAL INTERNATIONAL MASS LAUNCH OF CLOUD TRAMPS, 2023
March 9, 2022April 27, 2023 THE 27TH CHARLES HAMPSON GRANT MEMORIAL INTERNATIONAL MASS LAUNCH OF CLOUD TRAMPS, 2022
February 9, 2021September 21, 2021 THE 26TH CHARLES HAMPSON GRANT MEMORIAL INTERNATIONAL MASS LAUNCH OF CLOUD TRAMPS, 2021
December 28, 2019February 21, 2021 THE 25TH CHARLES HAMPSON GRANT MEMORIAL INTERNATIONAL MASS LAUNCH OF CLOUD TRAMPS, 2020