Speed/Damage Calculator Excel spreadsheet
Missile Time on Target Excel spreadsheet
(Thanks to Timothy Drost)

Running Naval Games - Tricks of the Trade from
Chris Carlson

Suggested Reading List

Harpoon
Harpoon4 Blank Forms
Harpoon4.1 Annex Errata
Harpoon4 Expanded CH Table
Harpoon4.1 Rules Errata
Sea of Dragons Errata
White Ensign Errata
Smarter Radars for Harpoon
New High Tide Maps
Automating Sonar Detection in H4
H4 Sonar Calculator
1950-2004 Soviet Naval OOB
Falklands Mission Planner & CRT.

Command at Sea
Command at Sea 3rd edition Rules Errata
Command at Sea 3rd edition Jump Start Rules
Command at Sea Expanded CH Table
Rising Sun Errata
Supermarina I Eratta

Fear God & Dread Nought
FG&DN Startup Battle
Fear God & Dread Nought Blank Ship Forms
Fear God & Dread Nought Errata
Fear God & Dread Nought Expanded CH Table

Dawn of the Rising Sun
Wireles Range Capability Table
Searchlights Characteristics Table
Dawn of the Rising Sun Ship Form

Be sure to check out the latest Naval SITREP