Super Heavy-based test articles BN2.1 was rolled out on June 3, 2021 for cryogenic tests. It conducted two tests, the first on June 8, 2021, and the second on June 17, 2021.
B2.1 (not BN2.1) conducted three cryogenic tests on December 1, 2021, December 2, 2021, and December 3, 2021.
B6.1 was originally intended to be the third flight-worthy Super Heavy, but was repurposed as a test tank. and tested again on 19 July 2022. During a suspected pressurize to failure test two days later, it received minor damage. B7.1 was then moved to the Massey's test site in September 2022, and then scrapped in December 2023.
Hot Stage Load Head (HSLH) was a test article designed to verify the structural integrity of the
interstage of Super Heavy Boosters 9+. It was transported to the Massey's test site on July 30, 2023, before being loaded onto the Can Crusher testing device. In mid-October 2023, it was moved back to the production site, where it was disassembled.
B14.1 is a test article consisting of a booster common dome and a forward section. After structural testing at Massey's, it was moved to the launch site on June 21, 2024, and lifted onto OLP-1. It was tested on June 26, It conducted additional testing on August 15. On August 17, it was returned to the production site, The
Block 3 Header Tank Test Article was a Block 3 booster header tank tested at McGregor in 2025. It was rolled to Massey's for testing on May 10, 2025. On September 19, 2025, it was damaged during a cryogenic test.
B18.3 is a test article for the Block 3 forward section/vented interstage assembly. It was destroyed in January 2026 during a test at Massey's.
General test articles == See also ==