Simplify the following text for a Grade 7 native English-speaking person.
Original: The three vessels made a faster trip than the First Fleet , arriving at Port Jackson in the last week of June 1790 , three weeks after Lady Juliana , and one week after the storeship Justinian .
Simplified: The three ships made a faster trip than the First Fleet , arriving at Port Jackson in the last week of June 1790 . This was three weeks after Lady Juliana , and one week after the supply ship Justinian .