In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

In its 47 years of history, ISRO (1) ______ breakthrough work in the field of technology and even (2) ______ many vehicles into space. (3) ______ the last 47 years, ISRO has improvised and developed technology, launching (4) ______ indigenously created vehicles into space (5) ______ form a part of the Indian space journey.