calculators/rocket/payload/index.html

		Target orbital velocity (m/s)
		</label><input type="text" value="" readonly id="orbital_velocity" name="orbital_velocity"><label for="rocket_velocity">
		- Maximum velocity (m/s)
		+ Reached orbital velocity (m/s)
		</label><input type="text" value="" readonly id="rocket_velocity" name="rocket_velocity"><label for="rocket_altitude">
		- Maximum altitude (km)
		+ Reached altitude (km)
		</label><input type="text" value="" readonly id="rocket_altitude" name="rocket_altitude"><label for="dry_mass">
		Dry mass (kg)

calculators/rocket/payload/launch.xsl


		<label for="rocket_velocity">
		- Maximum velocity (m/s)
		+ Reached orbital velocity (m/s)
		</label>
		<input
		type="text" value="" readonly="readonly"
		id="rocket_velocity" name="rocket_velocity" />

		<label for="rocket_altitude">
		- Maximum altitude (km)
		+ Reached altitude (km)
		</label>
		<input

Renames result labels