Complex sentence: In April 1944 he was given command of 1 Squadron equipped with the Hawker Typhoon fighter bomber but after six weeks was promoted to Wing Commander to lead 142 Spitfire Wing at RAF Horne which was an Advanced Landing Ground in Surrey.
Split into simpler sentences: In April 1944 he was given command of 1 Squadron equipped with the Hawker Typhoon fighter--bomber. After six weeks was promoted to Wing Commander to lead 142 Spitfire Wing at RAF Horne which was an Advanced Landing Ground in Surrey.