It could be the booster section of a Blue Sparrow target ALBM which has a separable payload section. However there is no reported sighting or hearing of impact anywhere in Iraq or Iran of the payload section. 
Kheybar-Shekan (solid-fueled)
Israel's "win" was military-technical in nature. It claims to have destroyed all drones and cruise missiles, while intercepting most - but not all - ballistic missiles.
The tweet above is obviously referring to the visible heating on the MaRV, screenshot taken from the below launch and impact video. The MaRV is only really visible for a couple of frames.
The Parchamdar ("flag-bearer") documentary mainly focuses on Shahed aviation industries, which had been handed over a part of Iran's drone activities after development stalled due to a series of crashes and disappointments in the mid-late 90s. 
Many have discussed the Yak-130's combat capabilities as a possible reason. But the Yak-130 is unlikely to see much use as a combat aircraft in the IRIAF, which has a host of older and more modern attack aircraft available. 
Before we get onto the MaRV, its pertinent to look at the first-stage booster. From the shape of the fins it looks based on the Kheybar-Shekan. It's launched at an angle (not vertically), implying a quasi-ballistic (mostly in-atmosphere) flight profile.
The production version has a significant number of external changes since the initial prototype, resulting in an overall sleeker airframe. 
So far Iranian shipping container missiles have been Fath/Fateh-class short-range ballistic missiles, and foreign concepts (incl. RU/CH/US) have toyed with different potential uses for this concept. 
However, Oghab-44's isolated position means it does not benefit from the SAM protection (excepting S-200 coverage) afforded to Bandar Abbas, the home of the IRIN. It's possible the area will be given better cover once the base is fully operational*. 
The canisters on Sahand still sport the desert camo, but the erecting arm - which is the same type as used on land-based TELs - is in navy colours. 
The rocket showed high acceleration at launch. This is typical of solid-fuel SLVs, but here it is more pronounced as the launch in question is a sub-orbital test-launch with no word on how much the boilerplate and/or telemetry equipment weighted.
First up, a profile on the missiles. Fateh-110 was introduced in 2002 and comes in a number of variants including those with INS/GNSS, radar-homing, anti-radiation, and EO/IIR seekers. There’s also an anti-ship version. Russia would likely want the standard INS/GNSS version. 
First of all: Non-TOW AH-1Js upgraded with sensor ball for guided weapon employment, new large MFD for the gunner, chaff+flare dispenser and seems like quad-ATGM launchers (looks like Almas). 
The Shahid-Soleimani is the IRGC-N's largest combatant warship and the first Iranian vessel to be equipped with VLS. Despite this, its catamaran design maintains the IRGC-N's philosophy of relatively smaller, fast boats that punch above their weight...
I've explained previously that the main reason Iran was going with the Su-30SM was cost. The Su-30 is cheaper and its two-seater layout is more suitable for multirole ops - hence requiring less specialised aircraft.
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