Impulse Space's fundraising round tops $800 million according to the Bloomberg headline dated September 16, 2026, with the specific tranche in question listed as $308.0M. The article body was not accessible in the provided content - only Bloomberg navigation boilerplate was extractable - so the milestone type (first vs. follow-on round), key investors, and specific business metrics such as clients, revenue, pipeline, or employee count could not be verified. Planned use of funds and expansion plans were also not disclosed in the available text.