Utilize the input text as a context reference, choose the right relationship between Ultra Electronics and transport from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Ultra Electronics is an internationally successful energy, defense, security and transport company with a long, consistent track record of development and growth.

Answer: industry