Here is a character inspired by the likes of Han Solo, Flash Gordon, and Buck Rogers. I am using S&W for the system but it could be used with just about any D&D like system with minimal modification. Without further adieu I give you the-

The Spaceman-

    This class represents the brave explorers who sail their rocket ships into space and beyond. They are known for their skills, nerve, quick wits. They are a tough breed as well and not put off by adversity. They are also quick with their fists and ray guns when needed.

Level	Experience	Hit Dice (d6)	Saving Throw
1	2000	1+1	16
2	4000	2+2	16
3	8000	3+3	15
4	16000	4+4	15
5	32000	5+5	14
6	64000	6+6	14
7	128000	7+7	13
8	250000	8+8	13
9	500000	9+9	12
10	700000	9+12*	12
11+	+200000 per level beyond 10th.	+3 per level*	Reduced by 1 every two levels.

Spacemen can wear any sort of protective gear and can wield any weapon without penalty.

Spacemen are +2 to save vs. Radiation, disease, and toxins.

Spacemen are skilled pilots and may add their level as a positive DM to any ST’s or other rolls concerning space travel, combat, ship operations, etc.

Any weapon shooting a beam of energy is +1 to hit and damage when wielded by a Spaceman.

They are also +2 to hit and damage with their fists and any time they roll with bonuses 4 or more than needed to hit their opponent their opponent must roll a ST if they fail than they must roll on the effects chart below. This ability only affects human and humanoid opponents.

Spaceman brawl effects
Die Roll	Effect	Mechanics
-1	KO plus	Same as a KO but all damage is considered deadly.
1	KO	Same as a knockdown but the opponent is knocked unconscious for 1d6 minutes. Double the damage inflicted.
2	Knockdown	Same as stun but the opponent is knocked off their feet and will require 1 round to get back on their feet once they are able to do so. This blow also inflicts an additional 1d3 damage from the fall.
3	Stun	Opponent is rattled. The opponent is unable to react the next round. Anything they were holding in their hands has been dropped and lands within 1d6-1 feet of them.
4	Stun	Opponent is rattled. The opponent is unable to react the next round. Anything they were holding in their hands has been dropped and lands within 1d6-1 feet of them.
5	Stagger	The blow sends them reeling, they stagger back 1d4 feet. If they are holding anything in their hands they must make a DEX check or drop whatever they are holding.
6	Stagger	The blow sends them reeling, they stagger back 1d4 feet. If they are holding anything in their hands they must make a DEX check or drop whatever they are holding.
7+	No Effect	An impressive hit but no extra effect beyond the damage done.
Roll 1d6 +1 to the die roll if the opponent is higher level or Hit Dice than the Spaceman hitting them. -1 from the die roll if the Spaceman has more levels than the opponent has levels or Hit Dice.