Calculating the exact amount of oxygen required for a trip to the Moon depends on several factors, such as the number of people on board, the duration of the mission, the life support system's efficiency, and the spacecraft's design. The fastest mode of transport available as far as I know is still a rocket, with the Apollo missions taking around 3 days to travel to the Moon.

To give a rough estimate, let's assume a mission with a crew of four, a round trip taking 6 days (3 days to the Moon and 3 days back), and an additional day for contingency.

On average, each person consumes around 0.84 kg (1.85 lbs) of oxygen per day. So, for a crew of four, the daily oxygen requirement would be:

0.84 kg/person/day * 4 people = 3.36 kg/day

For a 7-day mission, the total oxygen requirement would be:

3.36 kg/day * 7 days = 23.52 kg (51.81 lbs)

Keep in mind that this is a simplified calculation, and actual oxygen requirements could vary depending on the spacecraft's life support systems and mission specifics. Additionally, new technologies or transportation methods might be developed after my knowledge cutoff date, which could impact these calculations.
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