Talk:RIM-66 Standard

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1 Title
2 Guidance
3 Deleteing RIM-66K-3 and RIM-66L-3
4 Fire Control Systems

[edit] Title

Please note that a discussion is ongoing at Talk:RIM-161 Standard missile 3, as to whether the "M" in missile should be capitalised. Seeing as this could affect this article, I feel that it should be mentioned here. --GW_Simulations_{User Page | Talk} 22:29, 16 February 2008 (UTC)

[edit] Guidance

I am fairly certain that the SM-2MR's primary guidance is Inertial. The SM-2 has an autopilot that is programed just prior to launch. semi-active homing is used only in the terminal phase of the intercept. The SM-2 can upload midcourse corrections to the autopilot. The SM-1MR and SM-1ER are the only fully semi-active versions. --Two way time (talk) 02:20, 18 February 2008 (UTC)

That would seem to be true, but I'm certain that mid-course commands can be provided via the AN/SPY-1 for Aegis, as for Tartar Mk-74 can provide uplink via the AN/SPG-51. I can't argue with the primary mid-course being inertial, but isn't still an SARH missile? I don't think it can't hit the target without the radar (except maybe the IIIB IR seeker). --Dual Freq (talk) 02:34, 18 February 2008 (UTC)

Aegis and NTU track targets and program the auto-pilot on the SM-2 before launch and can send mid-course updates. The only time the missile uses semi-active homing is in the terminal phase of the intercept. The block IIIB missile can alternativly switch to IR homing in the terminal phase. The best description of the SM-2 would be as inertial with terminal semi-active homing. The SM-1 missile's description would be semi-active.--Two way time (talk) 18:27, 18 February 2008 (UTC)

I did some checking and I believe that a semi-active only missile homes in on a target that is constantly illuminated by a radar from the missile launch to the intercept. The SM-2MR flys into the area of the target via the autopilot. The autopilot can upload midcourse corrections. That method is called inertial guidance. For the SM-2MR there is not semi-active guidance until the SPG-62 (SPG-51, or SPG-60 in the case of NTU) illuminates the target in the terminal phase of the intercept. --Two way time (talk) 04:53, 19 February 2008 (UTC)

Also, I've botched the names of the articles after the split, there is a discussion on the Talk:RIM-161 Standard missile 3 page. I / We need to get the names fixed so opinions are welcome. --Dual Freq (talk) 02:41, 18 February 2008 (UTC)

[edit] Deleteing RIM-66K-3 and RIM-66L-3

I rechecked sources and I removed 2 enteries from the standard missile table for missiles I could not verify the exsistance of. block IIIB for NTU and Aegis Mk26 launcher. If at a later date I can verify that they exsist I will put them back in; otherwise they should be left out. --Two way time (talk) 04:41, 19 February 2008 (UTC)

Checking sources it appears that the Block IIIB has only been produced in the Aegis/VLS format.--Two way time (talk) 23:02, 26 March 2008 (UTC)

[edit] Fire Control Systems

I changed the deployment table to reflect the fire control system rather than the illumination radar. The Mk74 Fire control system uses the SPG-51 to illuminate the target for the SM-1MR but on some vessels can also use a SPG-60 to do so. The Mk92 fire control system is the system on the Perry class frigates. This system can use the radar in the 'Egg' and the STIR radar to illuminate targets. Aegis vessels have the Mk7 Aegis weapons control system. One conponent of the system is the Mk99 Fire Control system. I'll try to clean it up a bit more later.--Two way time (talk) 05:41, 5 March 2008 (UTC)

We don't have a Mk74 article but we do have one for AN/SPG-51. Without AN/SPY-1 the SM-2 would be worthless on Aegis platforms as it provides search, track and mid-course communications, Mk99 is little more than a couple computers and the AN/SPG-62 radar used in the final seconds of the engagement. CAS is the egg shaped radar you're describing. --Dual Freq (talk) 12:31, 5 March 2008 (UTC)

I have cleaned up enteries. Mk74 is the Tartar Fire control system and I have linked it to its article. I have also given the Aegis Combat system top billing on the Aegis vessels. The AN/SPG-51 is a conponent of the Mk74 system, but on seveal vessels the Tartar system and later NTU could use the AN/SPG-60 in its place.--Two way time (talk) 18:59, 6 March 2008 (UTC)