 Marlet 2A was designed simultaneously with the Martlet 1 with a range of interest being 70 to 200 kilometers.
<fluency>  Marlet 2A was designed simultaneously with the Martlet 1 with a range of interest being 70 to 200 kilometers.
 Martlet 2A was designed simultaneously with the Martlet 1 with a range of interest being 70 to 200 kilometers.