Navy Grog 1

1 1/2 oz Dark Rum
1 1/2 oz 151 Proof Rum
1/2 oz Orange Curacao
1/2 oz orgeat syrup
1/2 oz simple syrup
2 oz grapefruit Juice
2 oz sweet/sour

Pour all ingredients, except the Dark Rum, in a double old fashioned glass. Fill the glass with drushed ice. Float Dark Rum and serve garnished with a cherry and orchid.