Home›Articles›From Block I to Block II: how the Apollo spacecraft was redesignedArticleFrom Block I to Block II: how the Apollo spacecraft was redesignedArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnApollo command and service module, Spacecraft Well-attested SourcesWikipedia: Apollo command and service moduleLead section, second paragraphQuote, Lead section, second paragraphCorrections of the problems which caused the fire were applied to the Block II spacecraft, which was used for all crewed spaceflights.View the SourceAtlas Article VocabularyComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.