original: Artifacts at the museum include military aircraft: a Sopwith Triplane from the First World War and an Avro Lancaster from the Second World War.
simplifications: The museum has a Sopwith Triplane from the First World War. It also has an Avro Lancaster from the Second World War. Artifacts at the museum include a Sopwith Triplane from WWI and an Avro Lancaster from WWII. The museum has military aircraft from WWI and WWII. The museum features military aircraft: a Sopwith Triplane from the First World War and an Avro Lancaster from the Second World War. Artifacts at the museum include military aircraft. These include a Sopwith Triplane from the First World War and an Avro Lancaster from the Second World War. The museum has military aircraft including a planes from both world wars. The museum includes military aircraft. These aircraft are a Sopwith Triplane and an Avro Lancaster. Artifacts at the museum include military aircraft. This includes a Sopwith Triplane from the First World War and an Avro Lancaster from the Second World War. The museum's artifacts include military aircraft: the Sopwith Triplane of the First World War and the Avro Lancaster of the Second World War. Artifacts at the museum includes a Sopwith Triplane from the First World War and an Avro Lancaster from the Second World War.