What engine type is used in a Space Shuttle Vacuum scenario?
CREATE TABLE table_15944_5 (engine_type VARCHAR, scenario VARCHAR)
SELECT engine_type FROM table_15944_5 WHERE scenario = "Space shuttle vacuum"
### Context: CREATE TABLE table_15944_5 (engine_type VARCHAR, scenario VARCHAR) ### Question: What engine type is used in a Space Shuttle Vacuum scenario? ### Answer: SELECT engine_type FROM table_15944_5 WHERE scenario = "Space shuttle vacuum"